CONDENSED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY (USD $)	Total	Common Stock	Additional Paid-in Capital	Deficit Accumulated During the Development Stage
Beginning Balance at Dec. 31, 2011	$ 34,532,707	$ 12,406	$ 102,049,385	$ (67,529,084)
Beginning Balance (in shares) at Dec. 31, 2011		12,406,406
Options exercised (in shares)		38,240
Options exercised	238,617	38	238,579
Stock-based compensation to employees and directors	714,355		714,355
Stock-based payments to consultants	225,513		225,513
Net loss for the period	(8,173,876)			(8,173,876)
Ending Balance at Mar. 31, 2012	$ 27,537,316	$ 12,444	$ 103,227,832	$ (75,702,960)
Ending Balance (in shares) at Mar. 31, 2012		12,444,646