Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 143,901	$ 169,019
Investments	1,966	2,029
Accounts receivable	74,153	39,326
Inventories	14,661	12,722
Deferred tax assets, net	1,735	2,638
Income tax receivable, net	9,506	8,728
Restricted cash	220	217
Prepaid expenses and other current assets	8,276	8,814
Total current assets	254,418	243,493
Property, plant and equipment, net	208,973	152,701
In-process research and development	51,400	51,400
Goodwill	5,502	5,029
Assets held for sale	11,765	12,741
Deferred tax assets, net	13,999	33,757
Other assets	807	1,198
Total assets	546,864	500,319
Current liabilities:
Accounts payable	40,530	25,409
Accrued expenses and other current liabilities	1,170	1,309
Accrued compensation	20,884	23,975
Contingent value rights, current portion	1,748	0
Long-term indebtedness, current portion	5,360	17,187
Deferred revenue, current portion	1,362	7,839
Total current liabilities	71,054	75,719
Contingent value rights, net of current portion	3,005	14,532
Long-term indebtedness, net of current portion	54,094	30,239
Deferred revenue, net of current portion	0	4,386
Other liabilities	1,984	1,882
Total liabilities	130,137	126,758
Stockholders' equity:
Preferred stock, $0.001 par value; 15,000,000 shares authorized, 0 shares issued and outstanding at December 31, 2011 and 2010, respectively	0	0
Common stock, $0.001 par value; 100,000,000 shares authorized, 36,002,698 and 35,011,423 shares issued and outstanding at December 31, 2011 and 2010, respectively	36	35
Additional paid-in capital	220,654	197,689
Accumulated other comprehensive loss	(3,313)	(2,110)
Retained earnings	196,869	173,850
Total Emergent BioSolutions Inc. stockholders' equity	414,246	369,464
Noncontrolling interest in subsidiaries	2,481	4,097
Total stockholders' equity	416,727	373,561
Total liabilities and stockholders' equity	$ 546,864	$ 500,319