Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 130,238	$ 141,666
Accounts receivable	62,964	96,043
Inventories	22,148	15,161
Deferred tax assets, net	1,264	1,264
Income tax receivable, net	10,762	0
Prepaid expenses and other current assets	9,703	9,213
Total current assets	237,079	263,347
Property, plant and equipment, net	242,344	241,764
In-process research and development	41,800	41,800
Goodwill	5,502	5,502
Deferred tax assets, net	11,087	11,087
Other assets	573	730
Total assets	538,385	564,230
Current liabilities:
Accounts payable	23,871	31,297
Accrued expenses and other current liabilities	1,517	1,603
Accrued compensation	11,675	22,726
Long-term indebtedness, current portion	4,470	4,470
Deferred revenue	2,008	1,811
Total current liabilities	43,541	61,907
Long-term indebtedness, net of current portion	57,187	58,304
Other liabilities	1,852	1,891
Total liabilities	102,580	122,102
Commitments and contingencies
Stockholders' equity:
Preferred stock, $0.001 par value; 15,000,000 shares authorized, 0 shares issued and outstanding at March 31, 2013 and December 31, 2012, respectively	0	0
Common stock, $0.001 par value; 100,000,000 shares authorized, 36,521,011 shares issued and 36,117,853 shares outstanding at March 31, 2013; 36,272,550 shares issued and 35,869,392 shares outstanding at December 31, 2012	36	36
Additional paid-in capital	232,887	230,964
Treasury stock, at cost, 403,158 common shares at March 31, 2013 and December 31, 2012	(5,906)	(5,906)
Accumulated other comprehensive loss	(3,759)	(4,129)
Retained earnings	212,330	220,393
Total Emergent BioSolutions Inc. stockholders' equity	435,588	441,358
Noncontrolling interest in subsidiaries	217	770
Total stockholders' equity	435,805	442,128
Total liabilities and stockholders' equity	$ 538,385	$ 564,230