CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (DEFICIT) - 9 months ended Sep. 30, 2015 - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Cumulative Translation Adjustment [Member]
Balance at Dec. 31, 2014	$ (35,027)	$ 69	$ 485,615	$ (520,521)	$ (190)
Balance (in shares) at Dec. 31, 2014		68,957
Proceeds from issuance of common stock	$ 40,000	$ 5	39,995	0	0
Proceeds from issuance of common stock (in Shares)	8,100	5,405
Redeemable securities settlement	$ 299	$ 0	299	0	0
Redeemable securities settlement (in shares)		80
Issuance of common stock for debt conversion	6,500	$ 1	6,499	0	0
Issuance of common stock for debt conversion (in shares)		985
Issuance of common stock for conversion of accrued interest	387	$ 0	387	0	0
Issuance of common stock for conversion of accrued interest (in Shares)		39
Proceeds from warrants exercises	7,431	$ 2	7,429	0	0
Proceeds from warrants exercises (in shares)		1,728
Reclassification of warrant liabilities related to warrants exercised for cash	264	$ 0	264	0	0
Cashless warrants exercise	521	$ 1	520	0	0
Cashless warrants exercise (in shares)		572
Issuance of common stock as compensation	3,389	$ 0	3,389	0	0
Issuance of common stock as compensation (in Shares)		403
Stock issued to Cognate BioServices as compensation under Cognate Agreements	9,400	$ 0	9,400	0	0
Net loss	(90,663)	0	0	(90,663)	0
Cumulative translation adjustment	143	0	0	0	143
Balance at Sep. 30, 2015	$ (57,356)	$ 78	$ 553,797	$ (611,184)	$ (47)
Balance (in shares) at Sep. 30, 2015		78,169