Consolidated Statements of Operations (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Operating Costs and Expenses:
General and administrative	$ 1,122	$ 1,468
Research and development	1,118	386
Total Operating Costs and Expenses	2,240	1,854
Loss from Operations	(2,240)	(1,854)
Other Income:
Interest income	11	0
Other income	1	5
Total Other Income	12	5
Loss from Continuing Operations	(2,228)	(1,849)
Income from Discontinued Operations	0	649
Net Loss	$ (2,228)	$ (1,200)
Net Income (Loss) Per Share - Basic and Dilutive:
Continuing operations (in dollars per share)	$ (0.05)	$ (0.06)
Discontinued operations (in dollars per share)	$ 0	$ 0.02
Net Income (Loss) Per Share (in dollars per share)	$ (0.05)	$ (0.04)
Weighted average number of shares outstanding during the period - Basic and Dilutive (in shares)	44,601,396	32,003,164