Statements of Operations (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Statement [Abstract]
Revenue
Cost of goods sold
Gross profit
Costs and expenses:
Research and development	836	1,867	1,951
General and administrative	6,749	4,935	5,310
Loss (gain) on disposal of fixed assets	10	(10)
Depreciation and amortization	9	29	277
Impairment of intangible asset			598
Total costs and expenses	7,604	6,821	8,136
Operating loss	(7,604)	(6,821)	(8,136)
Other non-operating income (expense):
Investment and other income	81	45	137
Change in fair value of derivative instruments:
Related party	(8,491)	7,880	21,957
Others	58	230	6,739
Interest expense:
Related party	(4,955)	(6,236)	(5,631)
Others			(15)
Total other non-operating income (expense)	(13,307)	1,919	23,187
Income (loss) before income tax benefit	(20,911)	(4,902)	15,051
Income tax benefit (expense)	(28)	2,974
Net income (loss)	$ (20,939)	$ (1,928)	$ 15,051
Net income (loss) per share, basic	$ (0.35)	$ (0.03)	$ 0.27
Net income (loss) per share, diluted	$ (0.35)	$ (0.03)	$ 0.25
Weighted average shares outstanding, basic	60,687,478	60,687,478	56,292,511
Weighted average shares outstanding, diluted	60,687,478	60,687,478	59,281,325