Consolidated Statements of Operations (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Operating Costs and Expenses:
General and administrative	$ 1,468	$ 1,233
Research and development	386	231
Total Operating Costs and Expenses	1,854	1,464
Loss from Continuing Operations	(1,854)	(1,464)
Other Income (Expense):
Warrant expense	0	(716)
Change in fair value of warrant liability	0	(94)
Loss on the sale of equipment	0	(5)
Other income	5	56
Total Other Income (Expense), net	5	(759)
Net Loss from Continuing Operations	(1,849)	(2,223)
Net Income from Discontinued Operations	649	37
Net Loss	$ (1,200)	$ (2,186)
Net Income (Loss) Per Share - Basic and Dilutive:
Continuing operations (in dollars per share)	$ (0.06)	$ (0.09)
Discontinued operations (in dollars per share)	$ 0.02	$ 0
Net Loss Per Share (in dollars per share)	$ (0.04)	$ (0.09)
Weighted average number of shares outstanding during the period - Basic and Dilutive (in shares)	32,003,164	25,220,694