Consolidated Statements of Operations (USD $)	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Revenues:
Royalties	$ 0	$ 0
Other	0	0
Revenues	0	0
Costs and expenses:
Research and development	561,249	1,398,274
General and administrative	1,096,746	1,253,105
Costs and expenses	1,657,995	2,651,379
Interest expense	875,863	0
Other income	0	55,000
Net loss	(2,533,858)	(2,596,379)
Dividends on Series A convertible preferred stock	(251,250)	(251,250)
Net loss attributable to common shareholders	$ (2,785,108)	$ (2,847,629)
Net loss per share (basic and diluted) (in dollars per share)	$ (0.23)	$ (0.25)
Weighted average number of common shares outstanding (basic and diluted) (in shares)	12,158,124	11,444,711