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Document and Entity Information	9 Months Ended
Document and Entity Information	Sep. 30, 2017 shares
Document and Entity Information [Abstract]
Entity Registrant Name	Emergent BioSolutions Inc.
Entity Central Index Key	0001367644
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding	41,395,398
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	Q3
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 30, 2017

Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 340,991	$ 271,513
Restricted cash	1,043	0
Accounts receivable, net	129,357	138,478
Inventories	68,889	74,002
Income tax receivable, net	0	9,996
Prepaid expenses and other current assets	15,754	16,229
Total current assets	556,034	510,218
Property, plant and equipment, net	386,457	376,448
Intangible assets, net	29,202	33,865
Goodwill	41,001	41,001
Deferred tax assets, net	4,864	6,096
Other assets	6,644	2,483
Total assets	1,024,202	970,111
Current liabilities:
Accounts payable	30,111	34,649
Accrued expenses and other current liabilities	3,918	6,368
Accrued compensation	32,626	34,537
Notes payable, current portion	0	20,000
Contingent consideration, current portion	2,393	3,266
Income taxes payable	1,875	0
Deferred revenue, current portion	4,509	7,036
Total current liabilities	75,432	105,856
Contingent consideration, net of current portion	9,398	9,919
Long-term indebtedness	248,994	248,094
Deferred revenue, net of current portion	24,966	8,433
Other liabilities	1,702	1,604
Total liabilities	360,492	373,906
Commitments and contingencies
Stockholders' equity:
Preferred stock, $0.001 par value; 15,000,000 shares authorized, 0 shares issued and outstanding at both September 30, 2017 and December 31, 2016	0	0
Common stock, $0.001 par value; 200,000,000 shares authorized, 41,807,978 shares issued and 41,382,429 shares outstanding at September 30, 2017; 40,996,890 shares issued and 40,574,060 shares outstanding at December 31, 2016	41	41
Treasury stock, at cost, 425,549 and 422,830 common shares at September 30, 2017 and December 31, 2016, respectively	(6,503)	(6,420)
Additional paid-in capital	370,855	352,435
Accumulated other comprehensive loss	(3,815)	(4,331)
Retained earnings	303,132	254,480
Total stockholders' equity	663,710	596,205
Total liabilities and stockholders' equity	$ 1,024,202	$ 970,111

Consolidated Balance Sheets (Unaudited) (Parenthetical) - $ / shares	Sep. 30, 2017	Dec. 31, 2016
Stockholders' equity:
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized (in shares)	15,000,000	15,000,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	200,000,000	200,000,000
Common stock, shares issued (in shares)	41,807,978	40,996,890
Common stock, shares outstanding (in shares)	41,382,429	40,574,060
Treasury stock ( in shares)	425,549	422,830

Consolidated Statements of Operations (Unaudited) - USD ($)
$ in Thousands

3 Months Ended

9 Months Ended

Sep. 30, 2017

Sep. 30, 2016

Sep. 30, 2017

Sep. 30, 2016

Revenues:

Product sales

$ 114,296

$ 96,698

$ 259,875

$ 208,785

Contract manufacturing

18,912

14,712

52,700

32,455

Contracts and grants

16,226

31,504

54,489

95,879

Total revenues

149,434

142,914

367,064

337,119

Operating expenses:

Cost of product sales and contract manufacturing

44,503

39,560

125,449

93,025

Research and development

22,659

27,188

68,886

81,173

Selling, general and administrative

34,503

40,688

101,521

108,328

Income from operations

47,769

35,478

71,208

54,593

Other income (expense):

Interest income

637

358

1,593

764

Interest expense

(1,991)

(2,049)

(5,734)

(5,082)

Other expense, net

(101)

(234)

(387)

(176)

Total other expense, net

(1,455)

(1,925)

(4,528)

(4,494)

Income from continuing operations before provision for income taxes

46,314

33,553

66,680

50,099

Provision for income taxes

12,763

13,165

18,028

19,861

Net Income from continuing operations

33,551

20,388

48,652

30,238

Net income (loss) from discontinued operations

952

(15,854)

Net income

$ 33,551

$ 21,340

$ 48,652

$ 14,384

Net income (loss) per share - basic:

Net income per share from continuing operations-basic (in dollars per share)

$ 0.81

$ 0.50

$ 1.19

$ 0.75

Net income (loss) per share from discontinued operations-basic (in dollars per share)

0.02

(0.40)

Net income per share - basic (in dollars per share)

0.81

0.52

1.19

0.35

Net income (loss) per share - diluted:

Net income from continuing operations - diluted (in dollars per share)

0.68

^[1]

0.43

^[1]

1.03

0.68

Net income (loss) per share from discontinued operations-diluted (in dollars per share)

0.02

(0.32)

Net income per share - diluted (in dollars per share)

$ 0.68

^[1]

$ 0.45

^[1]

$ 1.03

$ 0.36

Weighted-average number of shares - basic (in shares)

41,222,504

40,465,423

40,989,813

40,071,730

Weighted-average number of shares - diluted (in shares)

50,467,829

49,440,313

50,090,088

48,826,597

[1]	See "Earnings per share" for details on calculation.

Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Consolidated Statements of Comprehensive Income [Abstract]
Net income	$ 33,551	$ 21,340	$ 48,652	$ 14,384
Foreign currency translations, net of tax	(296)	(492)	516	(859)
Comprehensive income	$ 33,255	$ 20,848	$ 49,168	$ 13,525

Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash flows from operating activities:
Net income	$ 48,652	$ 14,384
Adjustments to reconcile to net cash provided by (used in) operating activities:
Stock-based compensation expense	11,805	14,527
Depreciation and amortization	29,899	28,155
Deferred income taxes	18,618	4,814
Change in fair value of contingent obligations	1,350	(1,253)
Debt issuance costs	(1,426)	0
Abandonment of long-lived assets	0	3,749
Excess tax benefits from stock-based compensation	0	(10,825)
Other	703	2,467
Changes in operating assets and liabilities:
Accounts receivable	9,411	45,035
Inventories	5,113	(16,183)
Income taxes	(5,515)	(10,072)
Prepaid expenses and other assets	(2,157)	(3,146)
Accounts payable	2,965	(1,305)
Accrued expenses and other liabilities	(2,334)	(1,699)
Accrued compensation	(1,902)	(152)
Provision for chargebacks	0	103
Deferred revenue	14,006	(1,348)
Net cash provided by operating activities	129,188	67,251
Cash flows from investing activities:
Purchases of property, plant and equipment and other	(42,381)	(56,243)
Net cash used in investing activities	(42,381)	(56,243)
Cash flows from financing activities:
Issuance of common stock upon exercise of stock options	10,799	14,981
Excess tax benefits from stock-based compensation	0	10,825
Taxes paid on behalf of employees for equity activity	(4,184)	(4,590)
Payments of notes payable	(20,000)	0
Distribution to Aptevo	0	(45,000)
Contingent obligation payments	(2,744)	(1,226)
Restricted cash	(1,043)	0
Purchase of treasury stock	(83)	0
Net cash used in financing activities	(17,255)	(25,010)
Effect of exchange rate changes on cash and cash equivalents	(74)	139
Net increase (decrease) in cash and cash equivalents	69,478	(13,863)
Cash and cash equivalents at beginning of period	271,513	312,795
Cash and cash equivalents at end of period	$ 340,991	$ 298,932

Summary of significant accounting policies

9 Months Ended

Sep. 30, 2017

Summary of significant accounting policies [Abstract]

Summary of significant accounting policies

1. Summary of significant accounting policies

Basis of presentation and consolidation

The accompanying unaudited consolidated financial statements include the accounts of Emergent BioSolutions Inc. ("Emergent" or the "Company") and its wholly owned and majority owned subsidiaries. All significant intercompany accounts and transactions have been eliminated in consolidation. The unaudited consolidated financial statements included herein have been prepared in accordance with U.S. generally accepted accounting principles for interim financial information and in accordance with the instructions to Form 10-Q and Article 10 of Regulation S-X issued by the Securities and Exchange Commission ("SEC"). Certain information and footnote disclosures normally included in consolidated financial statements prepared in accordance with U.S. generally accepted accounting principles have been condensed or omitted pursuant to such rules and regulations. These consolidated financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto contained in the Company's Annual Report on Form 10-K for the year ended December 31, 2016, as filed with the SEC.

On August 1, 2016, the Company completed the spin-off of Aptevo Therapeutics Inc. ("Aptevo") and has classified the results of operations of Aptevo as discontinued operations for the three and nine months ended September 30, 2016. The historical financial statements and footnotes have been revised accordingly. See Note 2 "Discontinued operations" for further details regarding the spin-off. For financial reporting purposes, in the periods following the spin-off, the Company operates as one operating segment and therefore has a single reportable segment.

In the opinion of the Company's management, any adjustments contained in the accompanying unaudited consolidated financial statements are of a normal recurring nature and are necessary to present fairly the financial position of the Company as of September 30, 2017. Interim results are not necessarily indicative of results that may be expected for any other interim period or for an entire year.

Revenue recognition

During the three and nine months ended September 30, 2017, there have been no significant changes to the Company's summary of significant accounting policies contained in the Company's Annual Report on Form 10-K for the year ended December 31, 2016, as filed with the SEC, except for revenue recognition associated with the Biomedical Advanced Research and Development Authority ("BARDA") procurement contract for BioThrax (the "BARDA BioThrax Contract") and the modification of the BARDA development and procurement contract for the NuThrax product candidate (the "BARDA NuThrax Contract").

The BARDA NuThrax Contract was entered into on September 30, 2016. This contract is a service arrangement that includes multiple elements. The deliverables under the BARDA NuThrax Contract are the completion of development for NuThrax and the procurement of NuThrax for the Strategic National Stockpile ("SNS"). The Company has determined that the procurement of NuThrax under the BARDA NuThrax Contract is a contingent deliverable, as it is dependent upon successful completion of development; therefore the Company has excluded this from the allocation of the contract consideration. The Company allocated the value of the contract to the development for the NuThrax product candidate based on an approach using the best estimate of selling price ("BESP methodology"). The BESP methodology for the development deliverable takes into account a cost build-up for internal and external costs, plus a specified mark-up. The Company has allocated $147.5 million to the development services deliverable and will recognize revenue as the services are provided.

On March 16, 2017, the Company entered into a contract with BARDA, valued at $100 million, for the delivery of BioThrax to the SNS over a two-year period of performance. In conjunction with the signing of this contract, the Company entered into a modification to its BARDA NuThrax Contract that increases the number of doses of NuThrax to be delivered under the base period from two million to three million doses with a commensurate reduction in dose price for the initial deliveries. The modification also provides for a discount on the sales price for doses to be procured during the option period up to $100 million. As a result of the modification of the BARDA NuThrax Contract in conjunction with execution of the BARDA BioThrax Contract, the Company has determined that the two agreements are linked under the revenue recognition requirements of the Financial Accounting Standards Board ("FASB") Topic 605, Revenue Recognition. The Company analyzed these agreements and determined that the units of accounting under the linked agreements are:

·	development services for the NuThrax product candidate under the BARDA NuThrax Contract; and

·	procurement of BioThrax under the BARDA BioThrax Contract.

The Company's allocation of contract consideration for the development services was updated based on the services provided prior to March 17, 2017. The allocation of contract consideration for the BioThrax doses to be sold under the BARDA BioThrax Contract was determined based on similar pricing provided to other customers. The Company's determination of the amount of contract consideration to be allocated to the discounts was based on an undiscounted probability adjusted model, which factored in the expected timing of regulatory approval for the NuThrax product candidate, expected levels of procurement of the NuThrax product candidate upon regulatory approval and the market conditions for these types of medical countermeasures. The Company allocated the contract consideration to the two units of accounting as follows:

·	$137.1 million was allocated to the development services for the NuThrax product candidate under the BARDA NuThrax Contract; and

·	$93.6 million was allocated to the procurement of BioThrax under the BARDA BioThrax Contract.

The Company will defer a portion of the consideration received for doses delivered under the BARDA BioThrax Contract and the development services for the NuThrax product candidate. The Company will recognize the deferred revenue upon the delivery of NuThrax doses under the BARDA NuThrax Contract, or upon the future extinguishment of the Company's obligation to deliver NuThrax doses to which the discount applies.

Recently issued accounting standards

In May 2014, the FASB issued Accounting Standards Update ("ASU") No. 2014-09, Revenue from Contracts with Customers (Topic 606) ("ASU No. 2014-09"). ASU No. 2014-09 supersedes the revenue recognition requirements in Topic 605, Revenue Recognition, as well as most industry-specific guidance, and significantly enhances comparability of revenue recognition practices across entities and industries by providing a principles-based, comprehensive framework for addressing revenue recognition issues. In order for a provider of promised goods or services to recognize as revenue the consideration that it expects to receive in exchange for the promised goods or services, the provider should apply the following five steps: (1) identify the contract with a customer(s); (2) identify the performance obligations in the contract; (3) determine the transaction price; (4) allocate the transaction price to the performance obligations in the contract; and (5) recognize revenue when (or as) the entity satisfies a performance obligation. ASU No. 2014-09 also specifies the accounting for some costs to obtain or fulfill a contract with a customer and provides enhanced disclosure requirements. The standard will be effective for annual reporting periods beginning after December 15, 2017, including interim periods within that reporting period. The Company will adopt the requirements of the new standard in the first quarter of 2018 using the modified retrospective method. The modified retrospective method requires companies to recognize the cumulative effect of initially applying the new standard as an adjustment to opening retained earnings. The Company is finalizing its review of its revenue contract portfolio and has made an initial determination of its revenue streams. The Company is completing the detailed analysis of its multiple deliverable and procurement contracts with the U.S. government and believes there will be changes to the revenue recognition for its multiple deliverable contracts. The Company is in the process of finalizing its accounting policy and designing and implementing the necessary changes to processes and controls in order to account for revenue under the new standard beginning on the adoption date. Based on the Company's timeline and planned resources, the Company anticipates completing its implementation by the adoption date.

In February 2016, the FASB issued ASU 2016-02, Leases (Topic 842) ("ASU No. 2016-02"). ASU No. 2016-02 increases transparency and comparability among organizations by requiring the recognition of lease assets and lease liabilities on the balance sheet and disclosure of key information about leasing arrangements for both lessees and lessors. The standard will be effective January 1, 2019 for the Company, with early adoption permitted. The standard will be applied using a modified retrospective approach to the beginning of the earliest period presented in the financial statements. The Company is currently evaluating when it will adopt the standard and the expected impact to its consolidated financial statements and related disclosures.

In March 2016, the FASB issued ASU No. 2016-09, Compensation - Stock Compensation (Topic 718) ("ASU No. 2016-09"). ASU No. 2016-09 simplifies several aspects of the accounting for share-based payment award transactions, including: (1) the income tax consequences, (2) classification of awards as either equity or liabilities, and (3) classification on the statement of cash flows. As of January 1, 2017, the Company adopted and performed the evaluation required by the standard and did not identify any conditions or events that would have a material impact on the current disclosures in the financial statements. The Company has retrospectively adjusted the operating and financing sections within the statement of cash flows for the classification of employee taxes paid associated with equity award activities for the nine months ended September 30, 2016. In addition, the Company prospectively adopted the provisions related to the excess tax benefits, and as a result prior periods were not adjusted. If the Company had adopted this provision retrospectively, there would have been no change to the estimated effective annual tax rate for the three and nine months ended September 30, 2016, but for the nine months ended September 30, 2016, there would have been a tax benefit associated with stock option activity of $3.5 million recorded in the provision for income taxes on the Company's statement of operations.

In January 2017, the FASB issued ASU No. 2017-01, Business Combinations (Topic 805): Clarifying the Definition of a Business ("ASU No. 2017-01"). ASU No. 2017-01 provides clarification for the definition of a business with the objective of adding guidance and providing a more robust framework to assist entities with evaluating whether transactions should be accounted for as acquisitions (or disposals) of assets or businesses. The new standard will be effective for all annual periods beginning after December 15, 2017. The Company has early adopted ASU 2017-01 and determined the acquisition of raxibacumab, acquired on October 2, 2017, is an asset acquisition. See Note 12 "Subsequent events" for further details regarding this acquisition.

In January 2017, the FASB issued ASU No. 2017-04, Intangibles - Goodwill and Other (Topic 250): Simplifying the Test for Goodwill Impairment ("ASU No. 2017-04"). The standard eliminates the second step in the goodwill impairment test, which requires an entity to determine the implied fair value of the reporting unit's goodwill. Instead, an entity should recognize an impairment loss if the carrying value of the net assets assigned to the reporting unit exceeds the fair value of the reporting unit, with the impairment loss not to exceed the amount of goodwill allocated to the reporting unit. The standard is effective for annual and interim goodwill impairment tests conducted in fiscal years beginning after December 15, 2019. Early adoption is permitted. The Company does not believe that the new standard will have a material impact on its financial statements.

There are no other recently issued accounting pronouncements that are expected to have a material impact on the Company's financial position, results of operations or cash flows.

Discontinued Operations

9 Months Ended

Sep. 30, 2017

Discontinued Operations [Abstract]

Discontinued operations

2. Discontinued operations

On August 1, 2016, the Company completed the spin-off of Aptevo through the distribution of 100% of the outstanding shares of common stock of Aptevo to the Company's shareholders (the "Distribution"). The Distribution was made to the Company's shareholders of record as of the close of business on July 22, 2016 (the "Record Date"), and provided for such shareholders to receive one share of Aptevo common stock for every two shares of Emergent common stock held as of the Record Date. The Distribution was intended to qualify as a tax-free distribution for federal income tax purposes in the United States. In the aggregate, approximately 20.2 million shares of Aptevo common stock were distributed to the Company's shareholders of record as of the Record Date in the Distribution. After the Distribution, the Company no longer holds shares of Aptevo's common stock. In addition, on August 1, 2016, the Company entered into a non-negotiable, unsecured promissory note with Aptevo to provide an additional $20 million in funding, which the Company paid in January 2017.

The historical statements of operations of Aptevo have been presented as discontinued operations in the consolidated financial statements and the prior period has been restated. Discontinued operations include results of Aptevo's business except for certain allocated corporate overhead costs and certain costs associated with transition services provided by the Company to Aptevo. These allocated costs remain part of continuing operations. Due to differences between the basis of presentation for discontinued operations and the basis of presentation as a stand-alone company, the financial results of Aptevo included within discontinued operations for the Company may not be indicative of actual financial results of Aptevo.

The following table summarizes results from discontinued operations of Aptevo included in the consolidated statements of operations for the three and nine months ended September 30, 2016:

	Three Months Ended September 30,			Nine Months Ended September 30,
(in thousands)	2016			2016

Revenues:
Product sales	$	3,019		$	21,183
Collaborations		68			187
Total revenues		3,087			21,370

Operating expense:
Cost of product sales		907			11,556
Research and development		2,509			18,024
Selling, general and administrative		7,499			23,792
Loss from operations		(7,828	)		(32,002	)

Other expense, net:		(116	)		(41	)

Loss from discontinued operations before benefit from income taxes		(7,944	)		(32,043	)
Benefit from income taxes		(8,896	)		(16,189	)
Net income (loss) from discontinued operations	$	952		$	(15,854	)

The following table summarizes the cash flows of Aptevo included in the September 30, 2016 consolidated statements of cash flows:

	Nine Months Ended September 30,
(in thousands)	2016
Net cash used in operating activities	$	(10,299	)
Net cash used in investing activities		(1,926	)
Net cash provided by financing activities		7,733

Net decrease in cash and cash equivalents	$	(4,492	)

Fair value measurements

9 Months Ended

Sep. 30, 2017

Fair value measurements [Abstract]

Fair value measurements

3. Fair value measurements

Contingent consideration are liabilities measured at fair value on a recurring basis. For the three months ended September 30, 2017, the contingent consideration obligation associated with the EV-035 series of molecules and the broad spectrum antiviral platform program increased by a nominal amount. For the three months ended September 30, 2016, the contingent consideration obligation associated with the EV-035 series of molecules and the broad spectrum antiviral platform program increased by $0.1 million. For the nine months ended September 30, 2017 and 2016, the contingent consideration obligation associated with the EV-035 series and platform program decreased by $0.1 million and $0.3 million, respectively. The changes are primarily due to the estimated timing and probability of success for certain development and regulatory milestones of the program, which are inputs that have no observable market (Level 3). These changes are classified in the Company's statement of operations as both selling, general and administrative expense and research and development expense.

For the three and nine months ended September 30, 2017, the contingent purchase consideration obligations associated with RSDL increased by $0.9 million and $1.4 million, respectively. For the three and nine months ended September 30, 2016, the contingent purchase consideration obligations associated with RSDL decreased by $2.3 million and $1.0 million, respectively. The changes in the fair value of the RSDL contingent consideration obligations are primarily due to the expected amount and timing of future net sales, which are inputs that have no observable market (Level 3). These changes are classified in the Company's statement of operations as cost of product sales and contract manufacturing.

The following table is a reconciliation of the beginning and ending balance of the liabilities, consisting only of contingent consideration, measured at fair value, using significant unobservable inputs (Level 3) during the nine months ended September 30, 2017.

(in thousands)
Balance at December 31, 2016	$	13,185
Expense included in earnings		1,350
Settlements		(2,744	)
Balance at September 30, 2017	$	11,791

Separate disclosure is required for assets and liabilities measured at fair value on a recurring basis from those measured at fair value on a non-recurring basis. As of September 30, 2017 and 2016, the Company had no significant assets or liabilities that were measured at fair value on a non-recurring basis.

On January 29, 2014, the Company issued $250.0 million aggregate principal amount of 2.875% Convertible Senior Notes due 2021 (the "Notes"). The Notes mature on January 15, 2021, unless earlier purchased by the Company or converted. The Notes are subject to the fair value disclosure requirements. The estimated fair value of the Notes at September 30, 2017 was $359.5 million. The fair value of the Notes was determined via broker quote.

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

+ References + Details

Inventories

9 Months Ended

Sep. 30, 2017

Inventories [Abstract]

Inventories

4. Inventories

Inventories consisted of the following:

	September 30,		December 31,
(in thousands)	2017		2016
Raw materials and supplies	$	34,075	$	30,687
Work-in-process		14,776		19,821
Finished goods		20,038		23,494
Total inventories	$	68,889	$	74,002

Property, plant and equipment

9 Months Ended

Sep. 30, 2017

Property, plant and equipment [Abstract]

Property, plant and equipment

5. Property, plant and equipment

Property, plant and equipment consisted of the following:

	September 30,			December 31,
(in thousands)	2017			2016
Land and improvements	$	20,333		$	20,340
Buildings, building improvements and leasehold improvements		152,064			147,130
Furniture and equipment		194,385			190,157
Software		52,613			52,564
Construction-in-progress		100,328			77,813
Property, plant and equipment, gross		519,723			488,004
Less: Accumulated depreciation and amortization		(133,266	)		(111,556	)
Total property, plant and equipment, net	$	386,457		$	376,448

As of September 30, 2017 and December 31, 2016, construction-in-progress primarily includes costs related to the build out of the Company's Center for Innovation in Advanced Development and Manufacturing ("CIADM") facility.

Intangible assets

9 Months Ended

Sep. 30, 2017

Intangible assets and in-process research and development [Abstract]

Intangible assets, in-process research and development

6. Intangible assets

The Company recorded amortization expense as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands)	2017		2016		2017		2016

Operating expenses:
Cost of product sales and contract manufacturing	$	1,067	$	1,163	$	3,199	$	3,873
Research and development		348		348		1,044		1,044
Selling, general and administrative		140		140		420		420
Total amortization expense	$	1,555	$	1,651	$	4,663	$	5,337

As of September 30, 2017, the weighted average amortization period remaining for intangible assets was 68 months.

- Definition

The entire disclosure for the aggregate amount of goodwill and a description of intangible assets, which may include (a) for amortizable intangible assets (also referred to as finite-lived intangible assets), the carrying amount, the amount of any significant residual value, and the weighted-average amortization period, (b) for intangible assets not subject to amortization (also referred to as indefinite-lived intangible assets), the carrying amount, and (c) the amount of research and development assets acquired and written off in the period, including the line item in the income statement in which the amounts written off are aggregated, if not readily apparent from the income statement. Also discloses (a) for amortizable intangibles assets in total and by major class, the gross carrying amount and accumulated amortization, the total amortization expense for the period, and the estimated aggregate amortization expense for each of the five succeeding fiscal years, (b) for intangible assets not subject to amortization the carrying amount in total and by major class, and (c) for goodwill, in total and for each reportable segment, the changes in the carrying amount of goodwill during the period (including the aggregate amount of goodwill acquired, the aggregate amount of impairment losses recognized, and the amount of goodwill included in the gain (loss) on disposal of a reporting unit). If any part of goodwill has not been allocated to a reportable segment, discloses the unallocated amount and the reasons for not allocating. For each impairment loss recognized related to an intangible asset (excluding goodwill), discloses: (a) a description of the impaired intangible asset and the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method for determining fair value, (c) the caption in the income statement or the statement of activities in which the impairment loss is aggregated, and (d) the segment in which the impaired intangible asset is reported. For each goodwill impairment loss recognized, discloses: (a) a description of the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method of determining the fair value of the associated reporting unit, and (c) if a recognized impairment loss is an estimate not finalized and the reasons why the estimate is not final. May also disclose the nature and amount of any significant adjustments made to a previous estimate of an impairment loss.

+ References + Details

Long-term debt	9 Months Ended
Long-term debt	Sep. 30, 2017
Long-term debt [Abstract]
Long-term debt	7. Long-term debt On September 29, 2017, the Company entered into a senior secured credit agreement (the "2017 Credit Agreement") with four lending financial institutions, which replaced the Company's prior senior secured credit agreement (the "2013 Credit Agreement"). The 2017 Credit Agreement provides for a senior secured credit facility of up to $200 million through September 29, 2022. The 2017 Credit Agreement also includes a $100 million accordion feature, which could provide an additional $100 million in revolver or incremental term loans, at the option of the Company, resulting in a potential aggregate commitment of up to $300 million, subject to certain conditions and requirements set forth in the 2017 Credit Agreement. As of September 30, 2017, no amounts were drawn under the 2017 Credit Agreement. The Company's payment obligations under the 2017 Credit Agreement are secured by a lien on substantially all of the Company's assets, including the stock of all of the Company's domestic subsidiaries, and the assets of the subsidiary guarantors. Borrowings under the 2017 Credit Agreement will bear interest at a rate per annum equal to (a) a eurocurrency rate plus a margin ranging from 1.50% to 2.50% per annum, depending on the Company's consolidated net leverage ratio or (b) a base rate (which is the highest of the prime rate, the federal funds rate plus 0.50% and a eurocurrency rate for an interest period of one month plus 1%) plus a margin ranging from 0.50% to 1.50%, depending on the Company's consolidated net leverage ratio. The Company is required to make quarterly payments under the 2017 Credit Agreement of accrued and unpaid interest on the outstanding principal balance, based on the above interest rates. In addition, the Company is required to pay commitment fees ranging from 0.25% to 0.40% per annum, depending on the Company's consolidated net leverage ratio, in respect of daily unused commitments under the 2017 Credit Agreement. The 2017 Credit Agreement contains affirmative and negative covenants customary for financings of this type. Negative covenants in the 2017 Credit Agreement, among other things, limit the Company's ability to incur indebtedness and liens; dispose of assets; make investments including loans, advances, guarantees, or acquisitions (subject to compliance with the financial covenants and certain other conditions); and enter into certain mergers or consolidation transactions. The 2017 Credit Agreement also contains financial covenants, tested quarterly and in connection with any triggering events under the 2017 Credit Agreement: (1) a minimum consolidated debt service coverage ratio of 2.50 to 1.00, and (2) a maximum consolidated net leverage ratio of 3.50 to 1.00, which may be adjusted to 4.00 to 1.00 for a four quarter period in connection with a permitted acquisition, subject to the terms and conditions of the 2017 Credit Agreement. Each of the ratios referred to in the foregoing clauses (1) and (2) is calculated on a consolidated basis for each consecutive four fiscal quarter periods. The Company recorded a loss on extinguishment of debt of $0.4 million for the three and nine months ended September 30, 2017 associated with termination of the 2013 Credit Agreement. Loss on extinguishment of debt consisted of expensing unamortized debt issuance costs. The Company entered into a standby letter of credit and guarantee arrangement with a bank in the amount of $1.0 million that is fully collateralized by cash, which is classified as restricted cash in the Company's consolidated balance sheet.

Equity

9 Months Ended

Sep. 30, 2017

Equity awards [Abstract]

Equity awards

8. Equity

As of September 30, 2017, the Company had one equity award plan, the Fourth Amended and Restated Emergent BioSolutions Inc. 2006 Stock Incentive Plan (the "2006 Plan"), which includes both stock options and restricted stock units.

The following is a summary of stock option award activity under the 2006 Plan:

	Number of Shares			Weighted-Average Exercise Price		Aggregate Intrinsic Value
Outstanding at December 31, 2016		2,559,331		$	22.94	$	25,348,245
Granted		418,141			30.85
Exercised		(512,542	)		19.90
Forfeited		(24,625	)		27.81
Outstanding at September 30, 2017		2,440,305		$	24.88	$	37,991,459

The following is a summary of restricted stock unit award activity under the 2006 Plan:

	Number of Shares			Weighted-Average Grant Price		Aggregate Intrinsic Value
Outstanding at December 31, 2016		875,584		$	28.94	$	28,754,179
Granted		454,513			30.86
Vested		(413,752	)		20.66
Forfeited		(34,355	)		28.87
Outstanding at September 30, 2017		881,990		$	30.39	$	35,676,496

Earnings per share

9 Months Ended

Sep. 30, 2017

Earnings per share [Abstract]

Earnings per share

9. Earnings per share

The following table presents the calculation of basic and diluted net income per share:

	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands, except share and per share data)	2017		2016		2017		2016
Numerator:
Net income from continuing operations	$	33,551	$	20,388	$	48,652	$	30,238
Interest expense, net of tax		704		934		2,445		2,234
Amortization of debt issuance costs, net of tax		195		183		586		569
Net income, adjusted from continuing operations		34,450		21,505		51,683		33,041
Net income (loss) from discontinued operations		-		952		-		(15,854	)
Net income, adjusted	$	34,450	$	22,457	$	51,683	$	17,187

Denominator:
Weighted-average number of shares—basic		41,222,504		40,465,423		40,989,813		40,071,730
Dilutive securities—equity awards		1,148,857		878,390		1,003,794		658,367
Dilutive securities—convertible debt		8,096,468		8,096,500		8,096,481		8,096,500
Weighted-average number of shares—diluted		50,467,829		49,440,313		50,090,088		48,826,597

Net income per share from continuing operations - basic	$	0.81	$	0.50	$	1.19	$	0.75
Net income (loss) per share from discontinued operations - basic		-		0.02		-		(0.40	)
Net income per share - basic	$	0.81	$	0.52	$	1.19	$	0.35

Net income per share from continuing operations - diluted	$	0.68	$	0.43	$	1.03	$	0.68
Net income (loss) per share from discontinued operations - diluted		-		0.02		-		(0.32	)
Net income per share - diluted	$	0.68	$	0.45	$	1.03	$	0.36

For the three and nine months ended September 30, 2017 and 2016, basic earnings per share is computed by dividing net income by the weighted average number of shares of common stock outstanding during the period.

For the three and nine months ended September 30, 2017 and 2016, diluted earnings per share is computed using the "if-converted" method by dividing the net income adjusted for interest expense and amortization of debt issuance cost, both net of tax, associated with the Notes by the weighted average number of shares of common stock outstanding during the period. The weighted average number of shares is adjusted for the potential dilutive effect of the exercise of stock options and the vesting of restricted stock units along with the assumption of the conversion of the Notes, at the beginning of the period.

For the three and nine months ended September 30, 2017, along with the nine months ended September 30, 2016, substantially all of the outstanding stock options to purchase shares of common stock were included in the calculation of diluted earnings per share. For the three months ended September 30, 2016, approximately 0.4 million stock options were excluded from the calculation of diluted earnings per share due to the fact that the exercise prices were in excess of the average per share closing price during the period.

Restructuring

9 Months Ended

Sep. 30, 2017

Abandonment of equipment

Restructuring

10. Restructuring

In August 2016, the Company adopted a plan to restructure and reprioritize the operations at the Emergent BioDefense Operations Lansing LLC ("EBOL") site. This plan was initiated as a result of the Company's large-scale manufacturing facility at the EBOL site commencing manufacturing operations. Severance and other related costs and asset-related charges are reflected within the Company's consolidated statement of operations as a component of selling, general and administrative expense.

The Company has completed the EBOL restructuring. The costs of the restructuring as of September 30, 2017 are detailed below:

	Incurred in		Inception
(in thousands)	2017		to Date
Termination benefits	$	40	$	5,286
Abandonment of equipment		-		3,749
Other costs		-		691
Total	$	40	$	9,726

During the year ended December 31, 2016, the Company abandoned certain equipment and associated assets at its EBOL facility related to the manufacturing process at Building 12 ("manufacturing process") asset group. During the third quarter of 2016, the Company recorded a charge for the manufacturing process asset group of $3.7 million. The additional expense is classified in the Company's statements of operations as selling, general and administrative expense.

The following is a summary of the activity for the liabilities related to the restructuring:


	Termination
(in thousands)	Benefits
Balance at December 31, 2016	$	4,357
Expenses incurred		40
Amount paid		(4,298	)
Balance at September 30, 2017	$	99

Litigation	9 Months Ended
Litigation	Sep. 30, 2017
Litigation [Abstract]
Litigation	11. Litigation On July 19, 2016, Plaintiff William Sponn, or Sponn, filed a putative class action complaint in the United States District Court for the District of Maryland on behalf of purchasers of the Company's common stock between January 11, 2016 and June 21, 2016, inclusive, or the Class Period, seeking to pursue remedies under the Securities Exchange Act of 1934 against the Company and certain of its senior officers and directors, collectively, the Defendants. The complaint alleges, among other things, that the Company made materially false and misleading statements about the government's demand for BioThrax and expectations that the Company's five-year exclusive procurement contract with the U.S. Department of Health and Human Services would be renewed and omitted certain material facts. Sponn is seeking unspecified damages, including legal costs. On October 25, 2016, the Court added City of Cape Coral Municipal Firefighters' Retirement Plan and City of Sunrise Police Officers' Retirement Plan as plaintiffs and appointed them Lead Plaintiffs and Robins Geller Rudman & Dowd LLP as Lead Counsel. On December 27, 2016, the Plaintiffs filed an amended complaint that cites the same class period, names the same defendants and makes similar allegations to the original complaint. The Company filed a Motion to Dismiss on February 27, 2017. The Plaintiffs filed an opposition brief on April 28, 2017. The Company's Motion to Dismiss was heard and denied on July 6, 2017. The Company filed its answer on July 28, 2017. The parties are currently in the process of exchanging discovery, and Plaintiffs' class certification motion is due by November 29, 2017. The Defendants believe that the allegations in the complaint are without merit and intend to defend themselves vigorously against those claims. As of the date of this filing, the range of potential loss cannot be determined or estimated.

Subsequent events	9 Months Ended
Subsequent events	Sep. 30, 2017
Subsequent events [Abstract]
Subsequent events	12. Subsequent events Acquisition of raxibacumab On October 2, 2017, the Company completed the acquisition of raxibacumab, a fully human monoclonal antibody product approved by the U.S. Food and Drug Administration ("FDA") for the treatment and prophylaxis of inhalational anthrax, from Human Genome Sciences, Inc. and GlaxoSmithKline LLC (collectively referred to as "GSK"). The all-cash transaction consists of a $76 million upfront payment and up to $20 million in product sale and manufacturing-related milestone payments. With the acquisition, the Company assumed responsibility for a multi-year contract with BARDA, with a remaining value of up to approximately $130 million, to supply the product to the SNS through November 2019. The Company has determined that substantially all of the value of raxibacumab is attributed to the raxibacumab asset and therefore the raxibacumab acquisition is considered an asset acquisition. Acquisition of ACAM2000 On October 6, 2017, the Company completed the acquisition of the ACAM2000® (Smallpox (Vaccinia) Vaccine, Live) business of Sanofi Pasteur Biologics, LLC ("Sanofi"). This acquisition includes ACAM2000, the only smallpox vaccine approved by the FDA, a current good manufacturing practices ("cGMP") live viral manufacturing facility and office and warehouse space, both in Canton, Massachusetts, and a cGMP viral fill/finish facility in Rockville, Maryland. With this acquisition, the Company also assumed responsibility for an existing 10-year contract with the Centers for Disease Control and Prevention ("CDC"), which will expire and be up for renewal or extension in March 2018. This contract was originally valued at up to $425 million, with a remaining value of up to approximately $160 million, for the delivery of ACAM2000 to the SNS and establishing U.S.-based manufacturing of ACAM2000. At the closing, the Company paid $97.5 million in an upfront payment and $20 million in milestone payments earned as of the closing date tied to the achievement of certain regulatory and manufacturing-related milestones, for a total payment in cash of $117.5 million. The agreement includes a potential additional milestone payment of up to $7.5 million. This transaction will be accounted for by the Company under the acquisition method of accounting, with the Company as the acquirer. Under the acquisition method of accounting, the assets and liabilities of the ACAM2000 business will be recorded as of October 6, 2017, the acquisition date, at their respective fair values, and combined with those of the Company. As of the date of this filing, the valuation of acquired intangible assets, inventory, deferred taxes, property plant and equipment, contingent purchase consideration and other fair value adjustments are not complete, and as such the purchase price allocation is subject to change.

Summary of significant accounting policies (Policies)

9 Months Ended

Sep. 30, 2017

Summary of significant accounting policies [Abstract]

Basis of presentation and consolidation

Revenue recognition

·	development services for the NuThrax product candidate under the BARDA NuThrax Contract; and

·	procurement of BioThrax under the BARDA BioThrax Contract.

·	$137.1 million was allocated to the development services for the NuThrax product candidate under the BARDA NuThrax Contract; and

·	$93.6 million was allocated to the procurement of BioThrax under the BARDA BioThrax Contract.

Recently issued accounting standards

There are no other recently issued accounting pronouncements that are expected to have a material impact on the Company's financial position, results of operations or cash flows.

Discontinued Operations (Tables)

9 Months Ended

Sep. 30, 2017

Discontinued Operations [Abstract]

Summarized results of discontinued operations included in consolidated statements of income

The following table summarizes results from discontinued operations of Aptevo included in the consolidated statements of operations for the three and nine months ended September 30, 2016:

	Three Months Ended September 30,			Nine Months Ended September 30,
(in thousands)	2016			2016

Revenues:
Product sales	$	3,019		$	21,183
Collaborations		68			187
Total revenues		3,087			21,370

Operating expense:
Cost of product sales		907			11,556
Research and development		2,509			18,024
Selling, general and administrative		7,499			23,792
Loss from operations		(7,828	)		(32,002	)

Other expense, net:		(116	)		(41	)

Loss from discontinued operations before benefit from income taxes		(7,944	)		(32,043	)
Benefit from income taxes		(8,896	)		(16,189	)
Net income (loss) from discontinued operations	$	952		$	(15,854	)

Summary of disposal groups including discontinued operations cash flows

The following table summarizes the cash flows of Aptevo included in the September 30, 2016 consolidated statements of cash flows:

	Nine Months Ended September 30,
(in thousands)	2016
Net cash used in operating activities	$	(10,299	)
Net cash used in investing activities		(1,926	)
Net cash provided by financing activities		7,733

Net decrease in cash and cash equivalents	$	(4,492	)

- Definition

Tabular disclosure of information related to a disposal group. Includes, but is not limited to, a discontinued operation, disposal classified as held-for-sale or disposed of by means other than sale or disposal of an individually significant component.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
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-Section 45
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-URI http://asc.fasb.org/extlink&oid=65878427&loc=SL51721533-107759

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
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Reference 5: http://www.xbrl.org/2003/role/presentationRef
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Reference 6: http://www.xbrl.org/2003/role/presentationRef
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-URI http://asc.fasb.org/extlink&oid=84176398&loc=SL51724579-110230

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
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-Paragraph 5C
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Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Paragraph 4A
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Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
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-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=84176398&loc=d3e2941-110230

Reference 10: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
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Reference 11: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
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-Paragraph 3A
-URI http://asc.fasb.org/extlink&oid=64827811&loc=SL51721659-107760

Reference 12: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 13: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=64827811&loc=SL51721677-107760

+ Details

Fair value measurements (Tables)

9 Months Ended

Sep. 30, 2017

Fair value measurements [Abstract]

Reconciliation of Liabilities Measured at Fair Value Using Significant Unobservable Inputs (Level 3)

(in thousands)
Balance at December 31, 2016	$	13,185
Expense included in earnings		1,350
Settlements		(2,744	)
Balance at September 30, 2017	$	11,791

Inventories (Tables)

9 Months Ended

Sep. 30, 2017

Inventories [Abstract]

Inventories

Inventories consisted of the following:

	September 30,		December 31,
(in thousands)	2017		2016
Raw materials and supplies	$	34,075	$	30,687
Work-in-process		14,776		19,821
Finished goods		20,038		23,494
Total inventories	$	68,889	$	74,002

Property, plant and equipment (Tables)

9 Months Ended

Sep. 30, 2017

Property, plant and equipment [Abstract]

Property, plant and equipment

Property, plant and equipment consisted of the following:

	September 30,			December 31,
(in thousands)	2017			2016
Land and improvements	$	20,333		$	20,340
Buildings, building improvements and leasehold improvements		152,064			147,130
Furniture and equipment		194,385			190,157
Software		52,613			52,564
Construction-in-progress		100,328			77,813
Property, plant and equipment, gross		519,723			488,004
Less: Accumulated depreciation and amortization		(133,266	)		(111,556	)
Total property, plant and equipment, net	$	386,457		$	376,448

Intangible assets (Tables)

9 Months Ended

Sep. 30, 2017

Intangible assets and in-process research and development [Abstract]

Intangible Assets

The Company recorded amortization expense as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands)	2017		2016		2017		2016

Operating expenses:
Cost of product sales and contract manufacturing	$	1,067	$	1,163	$	3,199	$	3,873
Research and development		348		348		1,044		1,044
Selling, general and administrative		140		140		420		420
Total amortization expense	$	1,555	$	1,651	$	4,663	$	5,337

Equity (Tables)

9 Months Ended

Sep. 30, 2017

Equity awards [Abstract]

Option Award Activity

The following is a summary of stock option award activity under the 2006 Plan:

	Number of Shares			Weighted-Average Exercise Price		Aggregate Intrinsic Value
Outstanding at December 31, 2016		2,559,331		$	22.94	$	25,348,245
Granted		418,141			30.85
Exercised		(512,542	)		19.90
Forfeited		(24,625	)		27.81
Outstanding at September 30, 2017		2,440,305		$	24.88	$	37,991,459

Restricted Stock Units Activity

The following is a summary of restricted stock unit award activity under the 2006 Plan:

	Number of Shares			Weighted-Average Grant Price		Aggregate Intrinsic Value
Outstanding at December 31, 2016		875,584		$	28.94	$	28,754,179
Granted		454,513			30.86
Vested		(413,752	)		20.66
Forfeited		(34,355	)		28.87
Outstanding at September 30, 2017		881,990		$	30.39	$	35,676,496

Earnings per share (Tables)

9 Months Ended

Sep. 30, 2017

Earnings per share [Abstract]

Summary of Basic and Diluted Net Income (Loss) per Share

The following table presents the calculation of basic and diluted net income per share:

	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands, except share and per share data)	2017		2016		2017		2016
Numerator:
Net income from continuing operations	$	33,551	$	20,388	$	48,652	$	30,238
Interest expense, net of tax		704		934		2,445		2,234
Amortization of debt issuance costs, net of tax		195		183		586		569
Net income, adjusted from continuing operations		34,450		21,505		51,683		33,041
Net income (loss) from discontinued operations		-		952		-		(15,854	)
Net income, adjusted	$	34,450	$	22,457	$	51,683	$	17,187

Denominator:
Weighted-average number of shares—basic		41,222,504		40,465,423		40,989,813		40,071,730
Dilutive securities—equity awards		1,148,857		878,390		1,003,794		658,367
Dilutive securities—convertible debt		8,096,468		8,096,500		8,096,481		8,096,500
Weighted-average number of shares—diluted		50,467,829		49,440,313		50,090,088		48,826,597

Net income per share from continuing operations - basic	$	0.81	$	0.50	$	1.19	$	0.75
Net income (loss) per share from discontinued operations - basic		-		0.02		-		(0.40	)
Net income per share - basic	$	0.81	$	0.52	$	1.19	$	0.35

Net income per share from continuing operations - diluted	$	0.68	$	0.43	$	1.03	$	0.68
Net income (loss) per share from discontinued operations - diluted		-		0.02		-		(0.32	)
Net income per share - diluted	$	0.68	$	0.45	$	1.03	$	0.36

Restructuring (Tables)

9 Months Ended

Sep. 30, 2017

Abandonment of equipment

Costs of the restructuring

The Company has completed the EBOL restructuring. The costs of the restructuring as of September 30, 2017 are detailed below:

	Incurred in		Inception
(in thousands)	2017		to Date
Termination benefits	$	40	$	5,286
Abandonment of equipment		-		3,749
Other costs		-		691
Total	$	40	$	9,726

Summary of the activity for liabilities related to EBOL restructuring

The following is a summary of the activity for the liabilities related to the restructuring:


	Termination
(in thousands)	Benefits
Balance at December 31, 2016	$	4,357
Expenses incurred		40
Amount paid		(4,298	)
Balance at September 30, 2017	$	99

Summary of significant accounting policies (Details) $ in Thousands, Dose in Millions		3 Months Ended		9 Months Ended
	Mar. 16, 2017 USD ($) Dose	Sep. 30, 2017 USD ($) Segment	Sep. 30, 2016 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2016 USD ($)
Summary of significant accounting policies [Abstract]
Number of business segments \| Segment		1
Product Information [Line Items]
Billed revenue amount		$ 114,296	$ 96,698	$ 259,875	$ 208,785
BioThrax [Member] \| BARDA [Member]
Product Information [Line Items]
Amount of contract	$ 100,000
Period of performance	2 years
Consideration allocated to procurement	$ 93,600
NuThrax [Member] \| BARDA [Member]
Product Information [Line Items]
Consideration allocated to development activities	$ 137,100		$ 147,500		147,500
NuThrax [Member] \| BARDA [Member] \| Minimum [Member]
Product Information [Line Items]
Number of doses to be delivered \| Dose	2
NuThrax [Member] \| BARDA [Member] \| Maximum [Member]
Product Information [Line Items]
Number of doses to be delivered \| Dose	3
Discount on purchase price for doses to be procured	$ 100,000
Accounting Standards Update 2016-09 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Tax benefit associated with stock option activity					$ 3,500

Discontinued Operations (Details) - USD ($) $ in Thousands		3 Months Ended	9 Months Ended
Discontinued Operations (Details) - USD ($) $ in Thousands	Aug. 01, 2016	Sep. 30, 2016	Sep. 30, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Percentage of outstanding shares distributed	100.00%
Record date for distribution	Jul. 22, 2016
Number of common stock distributed (in shares)	20,230,000
Aptevo [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Unsecured debt	$ 20,000
Term of manufacturing services contract	10 years
Term of transition services agreement	2 years
Revenues [Abstract]
Product sales		$ 3,019	$ 21,183
Contracts, grants and collaborations		68	187
Total revenues		3,087	21,370
Operating expense [Abstract]
Cost of product sales		907	11,556
Research and development		2,509	18,024
Selling, general and administrative		7,499	23,792
Income (loss) from operations		(7,828)	(32,002)
Other income (expense), net [Abstract]
Other income (expense), net		(116)	(41)
Income (loss) from discontinued operations before provision for (benefit from) income taxes		(7,944)	(32,043)
Provision for (benefit from) income taxes		(8,896)	(16,189)
Net Income (loss) from discontinued operations		$ 952	(15,854)
Net Cash Provided by (Used in) Discontinued Operations [Abstract]
Net cash used in operating activities			(10,299)
Net cash used in investing activities			(1,926)
Net cash provided by financing activities			7,733
Net decrease in cash and cash equivalents			$ (4,492)

Fair value measurements (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended
Fair value measurements (Details) - USD ($) $ in Thousands	Jan. 29, 2014	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Unobservable Input Reconciliation [Roll Forward]
Balance, beginning of period				$ 13,185
Expense included in earnings				1,350
Settlements				(2,744)
Balance, end of period		$ 11,791		11,791
Convertible Senior Notes Due 2021 [Member]
Unobservable Input Reconciliation [Roll Forward]
Face amount of debt instrument	$ 250,000
Interest rate, stated percentage	2.875%
Maturity date	Jan. 15, 2021
Fair value of the notes		359,500		359,500
Evolva Holding SA 035 & Broad Spectrum Antiviral Platform [Member]
Unobservable Input Reconciliation [Roll Forward]
Change in fair value of contingent obligations			$ 100	(100)	$ (300)
RSDL [Member]
Unobservable Input Reconciliation [Roll Forward]
Change in fair value of contingent obligations		$ 900	$ (2,300)	$ 1,400	$ (1,000)

Inventories (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Inventories [Abstract]
Raw materials and supplies	$ 34,075	$ 30,687
Work-in-process	14,776	19,821
Finished goods	20,038	23,494
Total inventories	$ 68,889	$ 74,002

Property, plant and equipment (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Property, Plant and Equipment [Line Items]
Property, plant and equipment	$ 519,723		$ 488,004
Less: Accumulated depreciation and amortization	(133,266)		(111,556)
Total Property, plant and equipment, net	386,457		376,448
Depreciation and amortization	29,899	$ 28,155
Land and Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment	20,333		20,340
Buildings, Building Improvements and Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment	152,064		147,130
Furniture and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment	194,385		190,157
Software [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment	52,613		52,564
Construction-in-progress [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment	$ 100,328		$ 77,813

Intangible assets (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
Intangible assets (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Accumulated Amortization [Abstract]
Amortization	$ 1,555	$ 1,651	$ 4,663	$ 5,337
Intangible assets, weighted average useful life			68 months
Cost of product sales and contract manufacturing [Member]
Accumulated Amortization [Abstract]
Amortization	1,067	1,163	$ 3,199	3,873
Research and development [Member]
Accumulated Amortization [Abstract]
Amortization	348	348	1,044	1,044
Selling, general and administrative [Member]
Accumulated Amortization [Abstract]
Amortization	$ 140	$ 140	$ 420	$ 420

Long-term debt (Details) $ in Millions	3 Months Ended	9 Months Ended
Long-term debt (Details) $ in Millions	Sep. 30, 2017 USD ($)	Sep. 30, 2017 USD ($) Institution
Line of Credit Facility [Line Items]
Current borrowing capacity	$ 200.0	$ 200.0
Loss on extinguishment of debt	0.4	0.4
Letter of credit, outstanding amount	1.0	$ 1.0
Eurocurrency [Member]
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate		1.00%
Eurocurrency [Member] \| Minimum [Member]
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate		1.50%
Eurocurrency [Member] \| Maximum [Member]
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate		2.50%
Base Rate [Member] \| Minimum [Member]
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate		0.50%
Base Rate [Member] \| Maximum [Member]
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate		1.50%
Federal Funds Rate [Member]
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate		0.50%
Credit Agreement [Member]
Line of Credit Facility [Line Items]
Number of lending institutions \| Institution		4
Maturity date		Sep. 29, 2022
Borrowing capacity with accordion feature	100.0	$ 100.0
Maximum borrowing capacity	300.0	$ 300.0
Debt covenant, consolidated debt service coverage ratio, minimum		2.50
Debt covenant, leverage ratio, maximum		3.50
Credit Agreement [Member] \| Minimum [Member]
Line of Credit Facility [Line Items]
Commitment fee percentage		0.25%
Credit Agreement [Member] \| Maximum [Member]
Line of Credit Facility [Line Items]
Commitment fee percentage		0.40%
Debt covenant, leverage ratio, maximum		4.00
Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Outstanding credit facility	$ 0.0	$ 0.0

Equity (Details)	9 Months Ended
Equity (Details)	Sep. 30, 2017 USD ($) Plan $ / shares shares
Equity awards [Abstract]
Number of stock-based employee compensation plans \| Plan	1
2006 Plan [Member] \| Restricted Stock Units (RSUs) [Member]
Restricted stock unit award activity [Roll Forward]
Outstanding, beginning of period (in shares) \| shares	875,584
Granted (in shares) \| shares	454,513
Vested (in shares) \| shares	(413,752)
Forfeited (in shares) \| shares	(34,355)
Outstanding, end of period (in shares) \| shares	881,990
Weighted-Average Grant Price [Roll Forward]
Outstanding, beginning of period (in dollars per share) \| $ / shares	$ 28.94
Granted (in dollars per share) \| $ / shares	30.86
Vested (in dollars per share) \| $ / shares	20.66
Forfeited (in dollars per share) \| $ / shares	28.87
Outstanding, end of period (in dollars per share) \| $ / shares	$ 30.39
Aggregate intrinsic value [Abstract]
Outstanding, beginning of period \| $	$ 28,754,179
Outstanding, end of period \| $	$ 35,676,496
2006 Plan [Member] \| Stock Options Member [Member]
Options outstanding [Roll Forward]
Outstanding, beginning of period (in shares) \| shares	2,559,331
Granted (in shares) \| shares	418,141
Exercised (in shares) \| shares	(512,542)
Forfeited (in shares) \| shares	(24,625)
Outstanding, end of period (in shares) \| shares	2,440,305
Weighted-Average Exercise Price [Roll Forward]
Outstanding, beginning of period (in dollars per share) \| $ / shares	$ 22.94
Granted (in dollars per share) \| $ / shares	30.85
Exercised (in dollars per share) \| $ / shares	19.90
Forfeited (in dollars per share) \| $ / shares	27.81
Outstanding, end of period (in dollars per share) \| $ / shares	$ 24.88
Aggregate Intrinsic Value [Abstract]
Outstanding, beginning of period \| $	$ 25,348,245
Outstanding, end of period \| $	$ 37,991,459

Earnings per share (Details) - USD ($)
$ / shares in Units, $ in Thousands

3 Months Ended

9 Months Ended

Sep. 30, 2017

Sep. 30, 2016

Sep. 30, 2017

Sep. 30, 2016

Numerator [Abstract]

Net Income from continuing operations

$ 33,551

$ 20,388

$ 48,652

$ 30,238

Interest expense, net of tax

704

934

2,445

2,234

Amortization of debt issuance costs, net of tax

195

183

586

569

Net income (loss), adjusted from continuing operations

34,450

21,505

51,683

33,041

Net Loss from discontinued operations

952

(15,854)

Net income (loss), adjusted

$ 34,450

$ 22,457

$ 51,683

$ 17,187

Denominator [Abstract]

Weighted-average number of shares-basic (in shares)

41,222,504

40,465,423

40,989,813

40,071,730

Dilutive securities-equity awards (in shares)

1,148,857

878,390

1,003,794

658,367

Dilutive securities-convertible debt

8,096,468

8,096,500

8,096,481

8,096,500

Weighted-average number of shares-diluted (in shares)

50,467,829

49,440,313

50,090,088

48,826,597

Net income (loss) per share from continuing operations-basic (in dollars per share)

$ 0.81

$ 0.50

$ 1.19

$ 0.75

Net loss per share from discontinued operations-basic (in dollars per share)

0.02

(0.40)

Net income (loss) per share - basic (in dollars per share)

0.81

0.52

1.19

0.35

Net income (loss) from continuing operations - diluted (in dollars per share)

0.68

^[1]

0.43

^[1]

1.03

0.68

Net loss per share from discontinued operations-diluted (in dollars per share)

0.02

(0.32)

Net income (loss) per share - diluted (in dollars per share)

$ 0.68

^[1]

$ 0.45

^[1]

$ 1.03

$ 0.36

Stock Options [Member]

Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]

Antidilutive shares excluded from calculation (in shares)

400,000

[1]	See "Earnings per share" for details on calculation.

Restructuring (Details) $ in Thousands	9 Months Ended
Restructuring (Details) $ in Thousands	Sep. 30, 2017 USD ($)
Selling, General and Administrative Expenses [Member]
Summary of activity for liabilities [Roll Forward]
Abandonment of equipment charge	$ 3,700
EBOL Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Incurred in 2017	40
Inception to Date Costs Incurred	9,726
Termination Benefits [Member] \| EBOL Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Incurred in 2017	40
Inception to Date Costs Incurred	5,286
Summary of activity for liabilities [Roll Forward]
Balance, beginning of period	4,357
Expenses incurred	40
Amount paid	(4,298)
Balance, end of period	99
Other Costs [Member] \| EBOL Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Incurred in 2017	0
Inception to Date Costs Incurred	691
Abandonment of Equipment [Member] \| EBOL Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Incurred in 2017	0
Inception to Date Costs Incurred	$ 3,749

Subsequent events (Details) - Subsequent Event [Member] - USD ($) $ in Millions	Oct. 06, 2017	Oct. 02, 2017
Sanofi [Member]
Business Acquisition [Line Items]
Total value of transaction	$ 117.5
Upfront cash payment	97.5
Amount of payment for manufacturing related milestones	$ 20.0
Term of contract under acquisition	10 years
Value of contract	$ 425.0
Amount for deliveries of product to the SNS	160.0
Amount of payment for regulatory related milestones	$ 7.5
GSK [Member]
Business Acquisition [Line Items]
Upfront cash payment		$ 76.0
Amount of payment for manufacturing related milestones		20.0
Amount for deliveries of product to the SNS		$ 130.0