Consolidated Statements of Operations (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Operating Costs and Expenses:
General and administrative	$ 1,176	$ 524	$ 2,644	$ 1,757
Research and development	547	281	933	512
Total Operating Costs and Expenses	1,723	805	3,577	2,269
Loss from Continuing Operations	(1,723)	(805)	(3,577)	(2,269)
Other Income (Expense):
Warrant expense	0	(776)	0	(1,492)
Change in fair value of warrant liability	0	16	0	(78)
Other income (expense)	7	(1)	12	50
Total Other Income (Expense), net	7	(761)	12	(1,520)
Loss from Continuing Operations	(1,716)	(1,566)	(3,565)	(3,789)
Income (Loss) from Discontinued Operations	(156)	(114)	493	(77)
Net Loss and Comprehensive Loss	$ (1,872)	$ (1,680)	$ (3,072)	$ (3,866)
Net Income (Loss) Per Share - Basic and Dilutive:
Continuing operations (in dollars per share)	$ (0.05)	$ (0.06)	$ (0.11)	$ (0.14)
Discontinued operations (in dollars per share)	$ 0	$ 0	$ 0.02	$ 0
Net Loss Per Share (in dollars per share)	$ (0.05)	$ (0.06)	$ (0.09)	$ (0.14)
Weighted average number of shares outstanding during the period - Basic and Dilutive (in shares)	33,011,460	27,885,479	32,507,312	26,560,448