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Document And Entity Information	6 Months Ended
Document And Entity Information	Jun. 30, 2011 USD ($) shares
Entity Registrant Name	Emergent BioSolutions Inc.
Entity Central Index Key	0001367644
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Accelerated Filer
Entity Public Float \| $	$ 274,000,000
Entity Common Stock, Shares Outstanding \| shares	35,850,658
Document Fiscal Year Focus	2011
Document Fiscal Period Focus	Q2
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2011

Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 122,094	$ 169,019
Investments	5,048	2,029
Accounts receivable	47,263	39,326
Inventories	17,262	12,722
Deferred tax assets, net	7,082	2,638
Income tax receivable, net	17,136	8,728
Restricted cash	217	217
Prepaid expenses and other current assets	7,742	8,814
Total current assets	223,844	243,493
Property, plant and equipment, net	172,481	152,701
In-process research and development	51,400	51,400
Goodwill	5,029	5,029
Assets held for sale	12,548	12,741
Deferred tax assets, net	27,970	33,757
Other assets	712	1,198
Total assets	493,984	500,319
Current liabilities:
Accounts payable	32,182	25,409
Accrued expenses and other current liabilities	1,200	1,309
Accrued compensation	13,823	23,975
Contingent value rights, current portion	9,734	0
Long-term indebtedness, current portion	10,229	17,187
Deferred revenue, current portion	5,336	7,839
Total current liabilities	72,504	75,719
Contingent value rights, net of current portion	6,206	14,532
Long-term indebtedness, net of current portion	29,074	30,239
Deferred revenue, net of current portion	2,953	4,386
Other liabilities	2,017	1,882
Total liabilities	112,754	126,758
Commitments and contingencies	0	0
Stockholders' equity:
Preferred stock, $0.001 par value; 15,000,000 shares authorized, 0 shares issued and outstanding at June 30, 2011 and December 31, 2010, respectively	0	0
Common stock, $0.001 par value; 100,000,000 shares authorized, 35,850,658 and 35,011,423 shares issued and outstanding at June 30, 2011 and December 31, 2010, respectively	36	35
Additional paid-in capital	213,320	197,689
Accumulated other comprehensive loss	(2,771)	(2,110)
Retained earnings	166,663	173,850
Total Emergent BioSolutions Inc. stockholders' equity	377,248	369,464
Noncontrolling interest in subsidiaries	3,982	4,097
Total stockholders' equity	381,230	373,561
Total liabilities and stockholders' equity	$ 493,984	$ 500,319

Consolidated Balance Sheets (Unaudited) (Parenthetical) - $ / shares	Jun. 30, 2011	Dec. 31, 2010
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)	100,000,000	100,000,000
Common stock, shares issued (in shares)	35,850,658	35,011,423
Common stock, shares outstanding (in shares)	35,850,658	35,011,423

Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Revenues:
Product sales	$ 71,479	$ 55,872	$ 77,076	$ 94,725
Contracts and grants	16,662	6,266	29,598	14,213
Total revenues	88,141	62,138	106,674	108,938
Operating expenses:
Cost of product sales	16,069	11,076	17,137	18,584
Research and development	31,481	18,602	66,240	38,524
Selling, general and administrative	20,384	17,649	38,596	33,841
Income (loss) from operations	20,207	14,811	(15,299)	17,989
Other income (expense):
Interest income	24	376	59	764
Interest expense	(6)	(2)	(6)	(7)
Other income (expense), net	(39)	6	(40)	(2)
Total other income (expense)	(21)	380	13	755
Income (loss) before provision for (benefit from) income taxes	20,186	15,191	(15,286)	18,744
Provision for (benefit from) income taxes	7,663	5,757	(4,636)	7,392
Net income (loss)	12,523	9,434	(10,650)	11,352
Net loss attributable to noncontrolling interests	1,687	374	3,463	979
Net income (loss) attributable to Emergent BioSolutions Inc.	$ 14,210	$ 9,808	$ (7,187)	$ 12,331
Earnings per share - basic	$ 0.40	$ 0.32	$ (0.20)	$ 0.40
Earnings per share - diluted	$ 0.39	$ 0.31	$ (0.20)	$ 0.39
Weighted-average number of shares - basic	35,619,514	31,097,445	35,400,906	30,989,308
Weighted-average number of shares - diluted	36,667,452	31,900,000	35,400,906	31,666,976

Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Cash flows from operating activities:
Net income (loss)	$ (10,650)	$ 11,352
Adjustments to reconcile to net cash provided by (used in) operating activities:
Stock-based compensation expense	5,150	3,363
Depreciation and amortization	4,514	2,646
Deferred income taxes	3,129	3,437
Non-cash development expenses from variable interest entities	3,348	185
Impairment of long-lived assets	193	1,029
Change in fair value of contingent value rights	1,408	0
Excess tax benefits from stock-based compensation	(1,786)	(709)
Other	43	(29)
Changes in operating assets and liabilities:
Accounts receivable	(7,937)	9,107
Inventories	(4,540)	(3,595)
Income taxes	(8,408)	(6,214)
Prepaid expenses and other assets	1,557	159
Accounts payable	(766)	4,151
Accrued expenses and other liabilities	26	(329)
Accrued compensation	(10,152)	(3,346)
Deferred revenue	(3,936)	(14)
Net cash (used in) provided by operating activities	(28,807)	21,193
Cash flows from investing activities:
Purchases of property, plant and equipment	(16,795)	(8,631)
Purchase of investments	(5,269)	0
Proceeds from maturity of investments	2,250	0
Net cash used in investing activities	(19,814)	(8,631)
Cash flows from financing activities:
Proceeds from borrowing on line of credit	0	15,000
Issuance of common stock subject to exercise of stock options	8,695	2,784
Principal payments on long-term indebtedness and line of credit	(8,123)	(31,621)
Excess tax benefits from stock-based compensation	1,786	709
Net cash provided by (used in) financing activities	2,358	(13,128)
Effect of exchange rate changes on cash and cash equivalents	(662)	(165)
Net increase (decrease) in cash and cash equivalents	(46,925)	(731)
Cash and cash equivalents at beginning of period	169,019	102,924
Cash and cash equivalents at end of period	$ 122,094	$ 102,193

Summary of significant accounting policies

6 Months Ended

Jun. 30, 2011

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. (the “Company” or “Emergent”) 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 of the Securities and Exchange Commission. 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, 2010, as filed with the Securities and Exchange Commission.

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 June 30, 2011, results of operations for the three and six month periods ended June 30, 2011 and 2010, and cash flows for the six month periods ended June 30, 2011 and 2010. Interim results are not necessarily indicative of results that may be expected for any other interim period or for an entire year.

Earnings per share

Basic net income (loss) per share of common stock excludes dilution for potential common stock issuances and is computed by dividing net income (loss) by the weighted average number of shares outstanding for the period. Diluted net income (loss) per share reflects the potential dilution that could occur if securities or other contracts to issue common stock were exercised or converted into common stock.

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

	Three Months Ended				Six Months Ended
	June 30,				June 30,
(in thousands, except share and per share data)	2011		2010		2011			2010
Numerator:
Net income (loss)	$	14,210	$	9,808	$	(7,187	)	$	12,331

Denominator:
Weighted-average number of shares—basic		35,619,514		31,097,445		35,400,906			30,989,308
Dilutive securities—equity awards		1,047,938		802,555		-			677,668
Weighted-average number of shares—diluted		36,667,452		31,900,000		35,400,906			31,666,976

Earnings per share-basic	$	0.40	$	0.32	$	(0.20	)	$	0.40
Earnings per share-diluted	$	0.39	$	0.31	$	(0.20	)	$	0.39

Stock options with exercise prices in excess of the average per share closing price during the period are not considered in the calculation of fully diluted earnings per share. For the three month periods ended June 30, 2011 and 2010, approximately 719,000 and 2.0 million options, respectively, along with 2.1 million options for the six month period ended June 30, 2011 were excluded from the calculation. These options were excluded because the exercise prices were in excess of the average per share closing price.

For the six month period ended June 30, 2011, approximately 4.0 million shares were excluded form the calculation of diluted earnings per share because the net loss attributable to Emergent BioSolutions Inc. would make these awards antidilutive.

Accounting for stock-based compensation

As of June 30, 2011, the Company has two stock-based employee compensation plans, the Amended and Restated Emergent BioSolutions Inc. 2006 Stock Incentive Plan (the “2006 Plan”) and the Emergent BioSolutions Employee Stock Option Plan (the “2004 Plan” and together with the 2006 Plan, the “Emergent Plans”). The Company has granted options to purchase shares of common stock under the Emergent Plans, and has granted restricted stock units under the 2006 Plan.

The Company determines the fair value of restricted stock units using the closing market price of the Company’s common stock on the day prior to the date of grant. The Company utilizes the Black-Scholes valuation model for estimating the fair value of all stock options granted. The fair value of each option is estimated on the date of grant. Set forth below are the assumptions used in valuing the stock options granted and a discussion of the Company’s methodology for developing each of the assumptions used:

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2011			2010			2011			2010
Expected dividend yield		0	%		0	%		0	%		0	%
Expected volatility		60	%		55	%		60	%		55	%
Risk-free interest rate		0.93%-0.97	%		1.24%-1.36	%		0.93%-1.04	%		1.24%-1.46	%
Expected average life of options	3.7 years			3.8 years			3.4 years			3.4 years

Expected dividend yield — the Company does not pay regular dividends on its common stock and does not anticipate paying any dividends in the foreseeable future.

Expected volatility — a measure of the amount by which a financial variable, such as share price, has fluctuated (historical volatility) or is expected to fluctuate (implied volatility) during a period. The Company analyzed its own historical volatility to estimate expected volatility over the same period as the expected average life of the options.

Risk-free interest rate — the range of U.S. Treasury rates with a term that most closely resembles the expected life of the option as of the date on which the option is granted.

Expected average life of options — the period of time that options granted are expected to remain outstanding, based primarily on the Company’s expectation of optionee exercise behavior subsequent to vesting of options.

Comprehensive income (loss)

Comprehensive income (loss) is comprised of net income (loss) attributable to Emergent BioSolutions Inc. and other changes in equity that are excluded from net income (loss) attributable to Emergent BioSolutions Inc. The Company includes gains and losses on intercompany transactions with foreign subsidiaries that are considered to be long-term investments and translation gains and losses incurred when converting its subsidiaries’ financial statements from their functional currency to the U.S. dollar in accumulated other comprehensive income (loss). Comprehensive income for the three months ended June 30, 2011 was $14.2 million. Comprehensive loss for the six months ended June 30, 2011 was $7.8 million. Comprehensive income for the three and six months ended June 30, 2010 was $9.4 million and $12.2 million, respectively.

Inventories

6 Months Ended

Jun. 30, 2011

Inventories [Abstract]

Inventories

2. Inventories

Inventories consist of the following:

	June 30,		December 31,
(in thousands)	2011		2010
Raw materials and supplies	$	2,171	$	2,311
Work-in-process		11,872		7,917
Finished goods		3,219		2,494
Total inventories	$	17,262	$	12,722

Fair value measurements

6 Months Ended

Jun. 30, 2011

Fair value measurements [Abstract]

Fair value measurements

3. Fair value measurements

The Company measures and records cash equivalents and investment securities considered available-for-sale at fair value in the accompanying financial statements. Fair value is defined as the exchange price that would be received for an asset or paid to transfer a liability, an exit price, in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. Valuation techniques used to measure fair value must maximize the use of observable inputs and minimize the use of unobservable inputs. The three-tier fair value hierarchy, which prioritizes the inputs used in measuring fair value include:

Level 1 — Observable inputs for identical assets or liabilities such as quoted prices in active markets;

Level 2 — Inputs other than quoted prices in active markets that are either directly or indirectly observable; and

Level 3 — Unobservable inputs in which little or no market data exists, which are therefore developed by the Company using estimates and assumptions that reflect those that a market participant would use.

The following table represents the Company’s fair value hierarchy for its financial assets and liabilities measured at fair value on a recurring basis:

	At June 30, 2011
(in thousands)	Level 1		Level 2		Level 3		Total
Assets:
Investment in money market funds (1)	$	82,897	$	-	$	-	$	82,897
U.S. Treasury securities (2)		-		5,048		-		5,048
Total assets	$	82,897	$	5,048	$	-	$	87,945

Liabilities:
Contingent value rights	$	-	$	-	$	15,940	$	15,940
Total liabilities	$	-	$	-	$	15,940	$	15,940

	At December 31, 2010
(in thousands)	Level 1		Level 2		Level 3		Total
Assets:
Investment in money market funds (1)	$	102,360	$	-	$	-	$	102,360
U.S. Treasury securities (2)		-		2,029		-		2,029
Total assets	$	102,360	$	2,029	$	-	$	104,389

Liabilities:
Contingent value rights	$	-	$	-	$	14,532	$	14,532
Total liabilities	$	-	$	-	$	14,532	$	14,532

(1) Included in cash and cash equivalents in accompanying consolidated balance sheets.

(2) Included in investments in accompanying consolidated balance sheets.

The fair value of U.S. Treasury securities (Level 2) is obtained from an independent pricing service and is based on recent sales of similar securities and other observable market data.

The fair value of the Contingent Value Right (“CVR”) obligations is based on management’s assessment of certain development and collaboration milestones, which are inputs that have no observable market (Level 3). The obligation is measured using a discounted cash flow model. For the six months ended June 30, 2011, the changes in the fair value of the CVR obligations resulted from an adjustment to the discount rates and a update to the estimated timing of achievement for certain development milestones. For the three and six months ended June 30, 2011, the Company recorded charges to adjust the CVRs to fair value of $827,000 and $1.4 million, respectively. These charges are classified in the Company’s statement of operations as research and development expense within the Company’s biosciences segment.

The following table is a reconciliation of the beginning and ending balance of the liabilities measured at fair value using significant unobservable inputs (Level 3) for the six months ended June 30, 2011. There were no Level 3 assets or liabilities at June 30, 2010.

(in thousands)
Balance at January 1, 2010	$	-
Fair value of CVRs issued		14,532
Expense (income) included in earnings		-
Purchases, sales, issuances and settlements		-
Transfers in/(out) of Level 3		-
Balance at December 31, 2010	$	14,532
Expense (income) included in earnings		1,408
Purchases, sales, issuances and settlements		-
Transfers in/(out) of Level 3		-
Balance at June 30, 2011	$	15,940

Separate disclosure is required for assets and liabilities measured at fair value on a recurring basis, as documented above, from those measured at fair value on a nonrecurring basis. As of June 30, 2011 and December 31, 2010, the Company had no assets or liabilities that were measured at fair value on a nonrecurring basis.

The carrying amounts of the Company’s short-term financial instruments, which include cash, accounts receivable and accounts payable, approximate their fair values due to their short maturities. The fair value of the Company’s long-term indebtedness is estimated based on the quoted prices for the same or similar issues or on the current rates offered to the Company for debt of the same remaining maturities. Both the carrying value and fair value of long-term indebtedness at June 30, 2011 was $46.6 million. The carrying value and fair value of long-term indebtedness was $49.1 million and $49.0 million, respectively, at June 30, 2010.

- 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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 44A, 44B
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 107
-Paragraph 15C, 15D
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 107
-Paragraph 15A
-Subparagraph a-d
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 107
-Paragraph 15B
-Subparagraph a, b
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 107
-Paragraph 3, 10, 14, 15
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 157
-Paragraph 32, 33, 34
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 159
-Paragraph 17-22, 27, 28
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 8: http://www.xbrl.org/2003/role/presentationRef
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-SubTopic 10
-Section 50
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-Paragraph 21
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+ Details

Investments

6 Months Ended

Jun. 30, 2011

Investments, Debt and Equity Securities [Abstract]

Investments

4. Investments

The Company invests in a variety of highly liquid investment-grade securities. The following is a summary of the Company’s available for sale securities:

	At June 30, 2011
(in thousands)	Amortized Costs		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Market Value
U.S. Treasury securities	$	5,045	$	3	$	-	$	5,048

	At December 31, 2010

(in thousands)	Amortized Costs		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Market Value
U.S. Treasury securities	$	2,030	$	-	$	1	$	2,029

- Definition

Tabular disclosure of investments in certain debt and equity securities (and certain other trading assets) which include all debt and equity securities (other than those equity securities accounted for under the equity or cost methods of accounting) with readily determinable fair values. Other trading assets include assets that are carried on the balance sheet at fair value and held for trading purposes. A debt security represents a creditor relationship with an enterprise that is in the form of a security. Debt securities include, among other items, US Treasury securities, US government securities, municipal securities, corporate bonds, convertible debt, commercial paper, and all securitized debt instruments. An equity security represents an ownership interest in an enterprise or the right to acquire or dispose of an ownership interest in an enterprise at fixed or determinable prices. Equity securities include, among other things, common stock, certain preferred stock, warrant rights, call options, and put options, but do not include convertible debt. An entity may opt to provide the reader with additional narrative text to better understand the nature of investments in debt and equity securities (and other trading assets).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 115
-Paragraph 3, 19, 20, 21, 22, 137
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Name Accounting Standards Codification
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Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Debt Security
-URI http://asc.fasb.org/extlink&oid=6509901
-Topic 320

Reference 10: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Equity Security
-URI http://asc.fasb.org/extlink&oid=6511694
-Topic 320

+ Details

Stock options and restricted stock units

6 Months Ended

Jun. 30, 2011

Stock options and restricted stock units [Abstract]

Stock options and restricted stock units

5. Stock options and restricted stock units

As of June 30, 2011, the Company has two stock-based employee compensation plans, the 2006 Plan and the 2004 Plan. The Company has granted options to purchase shares of common stock under the Emergent Plans and has granted restricted stock units under the 2006 Plan. The Emergent Plans have both incentive and non-qualified stock option features. The Company no longer grants equity awards under the 2004 Plan.

As of June 30, 2011, an aggregate of 8,678,826 shares of common stock are authorized for issuance under the 2006 Plan, of which a total of 2,066,728 shares of common stock remain available for future awards to be made to plan participants. Awards of restricted stock units are counted against the maximum aggregate number of shares of common stock available for issuance under the 2006 Plan as one and one-half (1.5) shares of common stock for every one restricted stock unit granted. The maximum number of shares subject to awards that may be granted per year under the 2006 Plan to a single participant is 287,700. The exercise price of each option must be not less than 100% of the fair market value of the shares underlying such option on the date of grant. Awards granted under the 2006 Plan have a contractual life of no more than 10 years. The terms and conditions of equity awards (such as price, vesting schedule, term and number of shares) under the Emergent Plans are determined by the Company’s compensation committee, which administers the Emergent Plans. Each equity award granted under the Emergent Plans vests as specified in the relevant agreement and no option can be exercised after ten years from the date of grant.

The following is a summary of option award activity under the Emergent Plans:

	2006 Plan					2004 Plan
	Number of Shares			Weighted-Average Exercise Price		Number of Shares			Weighted-Average Exercise Price		Aggregate Intrinsic Value
Outstanding at December 31, 2010		3,397,915		$	14.31		67,541		$	9.80	$	32,023,466
Granted		803,027			23.97		-			-
Exercised		(741,222	)		11.63		(14,385	)		13.26
Forfeited		(115,091	)		17.73		-			-
Outstanding at June 30, 2011		3,344,629		$	17.14		53,156		$	8.86	$	19,982,072
Exercisable at June 30, 2011		1,552,664		$	13.73		53,156		$	8.86	$	14,417,769

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, 2010		395,555		$	16.09	$	9,279,720
Granted		401,523			23.99
Vested		(120,561	)		15.91
Forfeited		(28,065	)		18.61
Outstanding at June 30, 2011		648,452		$	20.90	$	14,622,593

- Definition

The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph 64, 65, A240
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Statement of Position (SOP)
-Number 93-6
-Paragraph 53
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 14

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+ Details

Litigation	6 Months Ended
Litigation	Jun. 30, 2011
Litigation [Abstract]
Litigation	6. Litigation Patent Oppositions. The Company’s live attenuated modified vaccinia Ankara virus (“MVA”) platform technology, which has the potential to be used as a viral vector for delivery of certain vaccine antigens for different disease-causing organisms, is based in part on rights to certain MVA-related materials and technology that the Company acquired from the Bavarian State Ministry of the Environment and Public Health. From 2006 to 2008, the Company filed patent oppositions in the European Patent Office against four of Bavarian Nordic’s patents covering certain aspects of MVA technology. In each of the four pending opposition proceedings, the subject patents have also been opposed by one or more additional parties, including Sanofi Pasteur, Transgene, Baxter, Virbac, and Innogenetics. The Company and the other opponents have alleged that the opposed patents should be revoked for failure to fulfill one or more of the patentability requirements of the European Patent Convention, such as the requirements for novelty and inventive step. In each opposition, a single hearing was held before the Opposition Division of the European Patent Office, in which each opponent presented oral argument and Bavarian Nordic presented rebuttal arguments. The first of these hearings, which occurred in June 2010, resulted in the Bavarian Nordic patent under consideration being maintained but narrowed in scope. Hearings in two of the other pending oppositions occurred in October 2010. Bavarian Nordic introduced amended patent claims into the record, which claims were upheld strictly and expressly conditioned on such claims being interpreted within a narrowly-defined scope. The Company timely filed its Appeal Briefs for each of these Oppositions. The Opposition Division held its hearing for the fourth pending opposition in January 2011. As for the previous Oppositions, Bavarian Nordic introduced amended patent claims into the record, and the Opposition Division upheld the amended claims, which are narrower in scope than the originally granted claims. The Company submitted a Notice of Appeal on June 7, 2011. An Appeal Brief is due on August 18, 2011. The Company routinely monitors the grant of further Bavarian Nordic European patents to determine whether any additional oppositions should be filed. Class-action litigation related to Trubion Pharmaceuticals acquisition. On August 17, 2010, two class action lawsuits were filed in the Superior Court of Washington, King County (the “State Court”), against Trubion Pharmaceuticals, Inc. (“Trubion”), its board of directors, and the Company (collectively, the “Defendants”), alleging in summary that, in connection with the proposed merger of Trubion with a subsidiary of the Company (the “Acquisition”), the members of the Trubion board of directors breached their fiduciary duties by conducting an unfair sale process and agreeing to an unfair price. Both complaints also claim that Trubion and the Company aided and abetted the Trubion board of directors in its breach of fiduciary duties. On September 9, 2010, the actions were consolidated (the “State Action”). On October 1, 2010, the plaintiffs in the State Action served on the Defendants a consolidated amended class action complaint (the “Amended Complaint”). The Amended Complaint alleges, among other things and in addition to the matters alleged in the initial complaints, that the Defendants omitted material information from the Proxy Statement/Prospectus. On October 4, 2010, a class action lawsuit was filed in the U.S. District Court for the Western District of Washington against the Defendants (the “Federal Action” and, collectively with the State Action, the “Actions”), which made allegations related to the Acquisition that are substantially similar to those matters alleged in the Amended Complaint and includes additional allegations regarding purported violations of the federal securities laws and sought substantially similar relief. On October 8, 2010, the Defendants reached agreement in principle with the plaintiffs in the Actions regarding the settlement of the Actions. The terms of the settlement contemplated by that agreement in principle require that Trubion and the Company make certain additional disclosures related to the Acquisition, as set forth in the Company’s Current Report on Form 8-K filed on October 8, 2010. The parties also agreed that the plaintiffs in the Actions may seek attorneys’ fees and costs in an aggregate amount up to $475,000, to be paid by Trubion if such fees and costs are approved by the State Court. There will be no other payment by Trubion, any of the members of the Trubion board of directors or the Company to the plaintiffs or their respective counsels in connection with the settlement and dismissal of the Actions. The agreement in principle further contemplates that the parties will enter into a stipulation of settlement, which will be subject to customary conditions, including State Court approval following notice to Trubion’s shareholders. The Actions were stayed pending approval of the settlement of the State Action by the State Court, after which the State Action and all claims asserted therein will be dismissed with prejudice and counsel for the plaintiff in the Federal Action will take all necessary steps to dismiss the Federal Action and all claims asserted therein with prejudice. On April 26, 2011, the State Court entered an order granting preliminary approval of the settlement and requiring that notice of the settlement and preliminary approval be mailed to class members by May 17, 2011. The order also provided that all class members wishing to be excluded from the settlement of the Actions give notice by June 21, 2011. At the subsequent scheduled hearing on July 29, 2011, the State Court determined that the settlement was fair, reasonable and adequate to the class members, approved the settlement in all respects and entered a Final Judgement and Order of Dismissal and Prejudice. Other. From time to time, the Company is involved in product liability claims and other litigation considered normal in the nature of its business. The Company does not believe that any such proceedings would have a material adverse effect on the results of its operations.

Segment information

6 Months Ended

Jun. 30, 2011

Segment information [Abstract]

Segment information

7. Segment information

For financial reporting purposes, the Company reports financial information for two business segments: biodefense and biosciences. In the biodefense segment, the Company develops, manufactures and commercializes vaccines and antibody therapies for use against biological agents that are potential weapons of bioterrorism or biowarfare. Revenues in this segment relate primarily to the Company’s FDA-licensed product, BioThrax® (Anthrax Vaccine Absorbed). In the biosciences segment, the Company develops vaccines, antibody therapies and technology platforms for use against infectious diseases, oncology, autoimmune and inflammatory disorders and other medical conditions that have resulted in significant unmet or underserved public health needs. The “All Other” segment relates to the general operating costs of the Company and includes costs of the centralized services departments, which are not allocated to the other segments, as well as spending on product candidates or activities that are not classified as biodefense or biosciences. The assets in this segment consist primarily of cash. For the three and six months ended June 30, 2010, the Company reclassified its business segments to conform with the current period presentation.

	Reportable Segments
(in thousands)	Biodefense		Biosciences			All Other			Total
Three Months Ended June 30, 2011
External revenue	$	83,685	$	4,456		$	-		$	88,141
Net income (loss) attributable to Emergent BioSolutions Inc.		36,902		(20,580	)		(2,112	)		14,210
Assets		217,057		121,209			155,718			493,984
Three Months Ended June 30, 2010
External revenue	$	62,138	$	-		$	-		$	62,138
Net income (loss) attributable to Emergent BioSolutions Inc.		22,524		(10,958	)		(1,758	)		9,808
Assets		208,004		42,102			95,642			345,748

	Reportable Segments
(in thousands)	Biodefense		Biosciences			All Other			Total
Six Months Ended June 30, 2011
External revenue	$	99,185	$	7,489		$	-		$	106,674
Net income (loss) attributable to Emergent BioSolutions Inc.		30,810		(35,705	)		(2,292	)		(7,187	)
Assets		217,057		121,209			155,718			493,984
Six Months Ended June 30, 2010
External revenue	$	108,938	$	-		$	-		$	108,938
Net income (loss) attributable to Emergent BioSolutions Inc.		35,909		(20,564	)		(3,014	)		12,331
Assets		208,004		42,102			95,642			345,748

- Definition

The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 131
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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+ Details

Related party transactions	6 Months Ended
Related party transactions	Jun. 30, 2011
Related party transactions [Abstract]
Related party transactions	8. Related party transactions The Company entered into an agreement in February 2009 with an entity controlled by family members of the Company’s Chief Executive Officer to market and sell BioThrax. The agreement was effective as of November 2008 and requires payment based on a percentage of net sales of biodefense products of 17.5% in Saudi Arabia and 15% in Qatar and United Arab Emirates, and reimbursement of certain expenses. No payments under this agreement have been triggered during the six months ended June 30, 2011. The Company entered into a severance agreement in April 2010 with the Company’s former Senior Vice President, Legal Affairs and General Counsel, whose employment with the Company terminated in March 2010. Severance payments and other benefits under the agreement are substantially identical to those provided under the provisions of the Company’s Severance Plan and Termination Protection Program. One-half of the amounts payable under the severance agreement was paid in September 2010, with the remaining amounts paid in six equal monthly installments concluding in March 2011. The Company entered into a consulting agreement in September 2010 with an entity controlled by the Company’s former Senior Vice President Corporate Affairs, who is also a family member of the Company’s Chief Executive Officer. The agreement provides for consulting services in connection with special projects as assigned by the Company’s President. During the six months ended June 30, 2011, the Company paid approximately $30,000 for services rendered under this agreement, of which $10,000 remained in accounts payable at June 30, 2011. The Company has entered into a consulting agreement with a member of the Company’s Board of Directors. For each of the six month periods ended June 30, 2011 and 2010, the Company paid approximately $90,000 under this agreement for strategic consultation and project support for the Company’s marketing and communications group, of which no balance remained unpaid in accounts payable at June 30, 2011.

- Definition

The entire disclosure for related party transactions, including the nature of the relationship(s), a description of the transactions, the amount of the transactions, the effects of any change in the method of establishing the terms of the transaction from the previous period, stated interest rate, expiration date, terms and manner of settlement per the agreement with the related party, and amounts due to or from related parties. If the entity and one or more other entities are under common ownership or management control and this control affects the operating results or financial position, disclosure includes the nature of the control relationship even if there are no transactions between the entities. Disclosure may also include the aggregate amount of current and deferred tax expense for each statement of earnings presented where the entity is a member of a group that files a consolidated tax return, the amount of any tax related balances due to or from affiliates as of the date of each statement of financial position presented, the principal provisions of the method by which the consolidated amount of current and deferred tax expense is allocated to the members of the group and the nature and effect of any changes in that method. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 4
-Section 08
-Paragraph k

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 3A
-Section 04
-Paragraph b

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 57
-Paragraph 1-4
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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+ Details

Variable interest entities

6 Months Ended

Jun. 30, 2011

Variable interest entities [Abstract]

Variable interest entities

9. Variable interest entities

In July 2008, the Company entered into a collaboration with the University of Oxford (“Oxford”) and certain University of Oxford researchers to conduct clinical trials in the advancement of a vaccine product candidate for tuberculosis, resulting in the formation of the Oxford-Emergent Tuberculosis Consortium (“OETC”). The Company has a 51% equity interest in OETC and controls the OETC Board of Directors. In addition, the Company has certain funding and service obligations related to its investment. The Company has evaluated its variable interests in OETC and has determined that it is the primary beneficiary as it has the ability to direct the activities of OETC and will absorb the majority of expected losses. Accordingly, the Company consolidates the entity. As of June 30, 2011 and 2010, respectively, assets of $394,000 and $355,000 and liabilities of $910,000 and $337,000 related to OETC are included within the Company’s consolidated balance sheet. During the three and six months ended June 30, 2011, OETC incurred net losses of $3.2 million and $6.8 million, respectively, of which $1.6 million and $3.4 million, respectively, is included in the Company’s consolidated statement of operations. During the three and six months ended June 30, 2010, OETC incurred net losses of $763,000 and $2.0 million, respectively, of which $389,000 and $1.0 million, respectively, is included in the Company’s consolidated statement of operations.

In conjunction with the establishment of OETC, the Company granted a put option to Oxford and the Oxford researchers whereby the Company may be required to acquire all of the OETC shares held by Oxford and the Oxford researchers at fair market value of the underlying shares. This put option is contingent upon the satisfaction of a number of conditions that must exist or occur subsequent to the granting by the European Commission of marketing authorization for the OETC-sponsored vaccine product candidate for tuberculosis. The Company accounts for the put option in accordance with the accounting provisions related to derivatives and distinguishing liabilities from equity. In accordance with these provisions, the Company has determined that the put option has a de minimis fair value as of June 30, 2011.

In July 2010, the Company entered into a collaboration with Temasek Life Sciences Ventures Pte Limited to advance the development of monoclonal products for worldwide prophylaxis or treatment of infection caused by existing or anticipated future pandemic influenza strains via a hemagglutinin-based medical countermeasure, resulting in the formation of EPIC Bio Pte Limited (“EPIC”). The Company has a 60% equity interest in EPIC and controls the EPIC Board of Directors. The Company has evaluated its variable interests in EPIC and has determined that it is the primary beneficiary as it has the ability to direct the activities of EPIC and will absorb the majority of expected losses. Accordingly, the Company consolidates the entity. As of June 30, 2011, assets of $1.9 million and liabilities of $741,000 related to EPIC are included within the Company’s consolidated balance sheet. During the three and six months ended June 30, 2011, EPIC incurred net losses of $352,000 and $375,000, respectively, of which $211,000 and $225,000, respectively, is included in the Company’s consolidated statement of operations.

The following is a summary of the stockholders’ equity attributable to the Company and the noncontrolling interests:

	Emergent			Noncontrolling
(in thousands)	BioSolutions Inc.			Interests			Total
Stockholders' equity at December 31, 2010	$	369,464		$	4,097		$	373,561
Non-cash development expenses from variable interest entities		-			3,348			3,348
Net loss		(7,187	)		(3,463	)		(10,650	)
Other		14,971			-			14,971
Stockholders' equity at June 30, 2011	$	377,248		$	3,982		$	381,230

- Definition

The entire disclosure for noncontrolling interest in consolidated subsidiaries, which could include the name of the subsidiary, the ownership percentage held by the parent, the ownership percentage held by the noncontrolling owners, the amount of the noncontrolling interest, the location of this amount on the balance sheet (when not reported separately), an explanation of the increase or decrease in the amount of the noncontrolling interest, the noncontrolling interest share of the net Income or Loss of the subsidiary, the location of this amount on the income statement (when not reported separately), the nature of the noncontrolling interest such as background information and terms, the amount of the noncontrolling interest represented by preferred stock, a description of the preferred stock, and the dividend requirements of the preferred stock.

+ References + Details

Restructuring

6 Months Ended

Jun. 30, 2011

Restructuring [Abstract]

Restructuring

10. Restructuring

In November 2010, the Company adopted a plan to restructure and reprioritize the operations of Emergent Product Development UK Limited (“EPDU”). The Company has made estimates and judgments regarding the amount and timing of this restructuring expense and liability, including current and future period termination benefits and other exit costs to be incurred when related actions take place. The Company has also assessed the recoverability of certain long-lived assets employed in the business and in certain instances shortened the expected useful life of the assets based on changes in their expected use. When the Company determines that the useful lives of assets are shorter than it had originally estimated, the Company records additional depreciation to reflect the assets’ new shorter useful lives. Severance and other related costs and asset-related charges are reflected within the Company’s consolidated statement of income as a component of selling, general and administrative expense within the Company’s biosciences segment. Actual results may differ from these estimates.

The Company has substantially completed this restructuring in the first half of 2011. The costs of the restructuring are detailed below:

	Incurred in		Inception to Date		Total Expected
(in thousands)	2011		Costs Incurred		to be Incurred
Termination benefits	$	438	$	2,856	$	2,900
Contract termination costs		2,153		2,803		2,550
Other costs		90		350		350
Total	$	2,681	$	6,009	$	5,800

In July 2011, the Company received a refund of previously paid contract termination costs. This refund lowered our total expected cost to be incurred.

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

				Lease
	Termination			Termination
(in thousands)	Benefits			Costs			Total
Balance at December 31, 2010	$	2,418		$	650		$	3,068
Expenses incurred		438			2,153			2,591
Amount paid		(2,714	)		(2,571	)		(5,285	)
Balance at June 30, 2011	$	142		$	232		$	374

- Definition

The entire disclosure for restructuring and related activities. Description of restructuring activities such as exit and disposal activities, include facts and circumstances leading to the plan, the expected plan completion date, the major types of costs associated with the plan activities, total expected costs, the accrual balance at the end of the period, and the periods over which the remaining accrual will be settled.

+ References + Details

Assets held for sale	6 Months Ended
Assets held for sale	Jun. 30, 2011
Assets held for sale [Abstract]
Assets held for sale	11. Assets held for sale The Company currently owns two buildings in Frederick, Maryland that it determined in 2009 would not be placed into service. Accordingly, the Company committed to a plan to sell the buildings, along with associated improvements. These buildings are classified on the Company’s balance sheets as assets held for sale. Assets held for sale are recorded at the lower of the carrying amount or fair market value less costs to sell, and are no longer depreciated once classified as held for sale. The Company recorded the assets held for sale at fair market value, based on factors that include recent purchase offers less estimated selling costs. The Company recorded an impairment charge of $193,000 for each of the three and six months ended June 30, 2011. The Company recorded impairment charges of $448,000 and $1.0 million, respectively, for the three and six months ended June 30, 2010. This charge was classified in the Company’s statement of operations as selling, general and administrative expense within the Company’s biosciences segment. The Company continues to actively seek to sell these buildings.

- Definition

The entire disclosure for long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. This disclosure may include property plant and equipment accounting policies and methodology, a schedule of property, plant and equipment gross, additions, deletions, transfers and other changes, depreciation, depletion and amortization expense, net, accumulated depreciation, depletion and amortization expense and useful lives, income statement disclosures, assets held for sale and public utility disclosures.

+ References + Details

Subsequent events	6 Months Ended
Subsequent events	Jun. 30, 2011
Subsequent events [Abstract]
Subsequent events	13. Subsequent events On July 29, 2011, the Company entered into a loan agreement and related agreements with PNC Bank (“PNC”), under which PNC provided the Company with a construction loan of up to $30.0 million primarily to fund the ongoing build-out of the Company’s Baltimore facility. A portion of the loan was also used to repay the Company’s original loan with HSBC Bank (“HSBC”) to finance a portion of the purchase price of the facility. Under the loan agreement, PNC will make advances to the Company of up to $30.0 million through July 2012 based on periodic requests from the Company. The Company has drawn $17.8 million on the loan to date, of which $6.2 million was used to repay the HSBC loan. On August 3, 2011, the Company entered into a separate loan agreement with PNC to provide the Company with an equipment loan of $12.0 million to fund equipment purchases at the Baltimore facility. Under the equipment loan agreement, PNC will make advances to the Company of up to $12.0 million through August 2012 based on periodic requests from the Company. To date, the Company has not requested any advances under this loan agreement. The Company has evaluated subsequent events through the time of filing these financial statements.

Asset Purchase Agreement	6 Months Ended
Asset Purchase Agreement	Jun. 30, 2011
Asset Purchase Agreement
AssetPurchaseAgreement	12. Asset Purchase Agreement In May 2011, the Company and TenX BioPharma, Inc. (“TenX”) entered into an asset purchase agreement in which the Company acquired all assets and rights related to the Zanolimumab product candidate and related technology from TenX. The Company paid approximately $3.1 million in conjunction with the closing of this acquisition, and has recorded this amount in the Company's statement of operations as research and development expense in the Company's biosciences segment. The asset purchase agreement also contemplates additional milestone payments and specified percentages of future net sales.