Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Revenue:
Net product sales	$ 0	$ 577	$ 283	$ 583
Licensing and other revenue	99	6,025	192	6,260
Total revenue	99	6,602	475	6,843
Costs and expenses:
Costs of goods sold	0	396	143	396
Selling, general and administrative	927	1,384	1,737	2,815
Research and development	681	963	1,011	2,259
Total costs and expenses	1,608	2,743	2,891	5,470
Income (loss) from operations	(1,509)	3,859	(2,416)	1,373
Other income (expense):
Interest income	0	1	0	3
Foreign exchange gain (loss)	0	(521)	0	(264)
Warrant amendment expense	0	0	0	(936)
Interest expense (see Note 3)	(175)	(380)	(363)	(743)
Other income (expense), net	(175)	(900)	(363)	(1,940)
Net income (loss) before income taxes	(1,684)	2,959	(2,779)	(567)
Income tax expense	0	0	(5)	(2)
Net loss	(1,684)	2,959	(2,784)	(569)
Deemed dividends on convertible preferred stock	0	(750)	0	(1,926)
Income (loss) attributable to common stockholders	(1,684)	2,209	(2,784)	(2,495)
Basic and diluted income (loss) per common share (in Dollars per share)	$ (0.01)	$ 0.03	$ (0.03)	$ (0.03)
Weighted average common shares outstanding-basic (in Shares)	113,639,424	83,772,960	110,158,277	80,414,692
Weighted average common shares outstanding-diluted (in Shares)	113,639,424	91,591,893	110,158,277	80,414,692
Other comprehensive income (loss), net of income tax expense:
Foreign currency translation adjustments	(16)	521	(16)	257
Other comprehensive income (loss), net of $0 income tax expense	(16)	521	(16)	257
Comprehensive income (loss)	$ (1,700)	$ 3,480	$ (2,800)	$ (312)