UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended		93 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013
Revenues	$ 6	$ 9	$ 17	$ 9	$ 52
Cost of sales	3	171	7	171	389
Gross margin	3	(162)	10	(162)	(337)
Operating costs and expenses
Research and development	372	769	520	1,947	16,374
Selling, general and administrative	591	1,068	992	1,981	13,379
Total operating costs and expenses	963	1,837	1,512	3,928	29,753
Operating loss	(960)	(1,999)	(1,502)	(4,090)	(30,090)
Other income and expense
Other income	0	0	0	0	1,147
Interest income, net	0	0	0	0	79
Amortization of deferred financing cost	0	(3)	0	(5)	(1,984)
Interest exp	0	0	(23)	(43)	(190)
Total other income and expense	0	(3)	(23)	(48)	(948)
Loss before provision for income tax	(960)	(2,002)	(1,525)	(4,138)	(31,038)
Provision for income tax	0	0	0	0	0
Net loss	(960)	(2,002)	(1,525)	(4,138)	(31,038)
Comprehensive income (loss)	0	0	0	0	0
Comprehensive loss	(960)	(2,002)	(1,525)	(4,138)	(31,038)
Loss attributable to common stockholders and loss per common share:
Net loss	(960)	(2,002)	(1,525)	(4,138)	(31,038)
Net loss attributable to common stockholders	(960)	(2,002)	(1,525)	(4,138)	(36,405)
Weighted average shares outstanding, basic and diluted (in shares)	61,699	48,798	56,286	43,314
Net loss per basic and diluted share (in dollars per share)	$ (0.02)	$ (0.04)	$ (0.03)	$ (0.10)
Series A Preferred Conversion
Loss attributable to common stockholders and loss per common share:
Deemed dividend	0	0	0	0	(4,301)
Series A Preferred Stock
Loss attributable to common stockholders and loss per common share:
Deemed dividend	0	0	0	0	(700)
Dividends - Series A Preferred Stock	$ 0	$ 0	$ 0	$ 0	$ (366)