Consolidated Statements of Operations (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Operating Costs and Expenses:
General and administrative	$ 1,258	$ 1,176	$ 2,380	$ 2,644
Research and development	1,203	547	2,321	933
Total Operating Costs and Expenses	2,461	1,723	4,701	3,577
Loss from Operations	(2,461)	(1,723)	(4,701)	(3,577)
Other Income (Expense):
Interest income	10	0	21	0
Other income (expense)	(46)	7	(45)	12
Total Other Income (Expense), net	(36)	7	(24)	12
Loss from Continuing Operations	(2,497)	(1,716)	(4,725)	(3,565)
Income (Loss) from Discontinued Operations	0	(156)	0	493
Net Loss	$ (2,497)	$ (1,872)	$ (4,725)	$ (3,072)
Net Income (Loss) Per Share - Basic and Dilutive:
Continuing operations (in dollars per share)	$ (0.06)	$ (0.05)	$ (0.11)	$ (0.11)
Discontinued operations (in dollars per share)	$ 0	$ 0	$ 0	$ 0.02
Net Loss Per Share (in dollars per share)	$ (0.06)	$ (0.05)	$ (0.11)	$ (0.09)
Weighted average number of shares outstanding during the period - Basic and Dilutive (in shares)	44,654,414	33,011,460	44,628,051	32,507,312