Statements of Operations (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Sponsored research revenue	$ 541,697	$ 588,575	$ 766,534	$ 1,191,032
Operating expenses:
Research and development	487,702	1,470,741	745,148	2,985,526
General and administrative	279,689	650,540	676,043	1,335,599
Total operating expenses	767,391	2,121,281	1,421,191	4,321,125
Loss from operations	(225,694)	(1,532,706)	(654,657)	(3,130,093)
Interest income	3	500	11	1,518
Net loss	$ (225,691)	$ (1,532,206)	$ (654,646)	$ (3,128,575)
Basic and diluted net loss per common share (in dollars per share)	$ 0.00	$ (0.02)	$ (0.01)	$ (0.04)
Weighted average number of common shares outstanding (in shares)	81,669,570	79,870,332	81,530,094	79,655,544