Condensed Balance Sheets (USD $)	Jun. 30, 2011	Dec. 31, 2010
Current Assets:
Cash and cash equivalents	$ 20,942,709	$ 30,520,812	[1]
Prepaid expenses and other current assets	934,029	523,672	[1]
Total Current Assets	21,876,738	31,044,484	[1]
Property and equipment, net	1,826,578	2,073,602	[1]
Patents and trademarks, net	65,158	71,108	[1]
Deferred financing costs	62,391	62,391	[1]
Other assets	337,705	337,705	[1]
Total Assets	24,168,570	33,589,290	[1]
Current Liabilities:
Accounts payable	645,643	1,096,505	[1]
Accrued expenses (includes related parties of $34,000 as of June 30, 2011)	591,312	559,975	[1]
Other current liabilities	28,891	29,538	[1]
Total Current Liabilities	1,265,846	1,686,018	[1]
Long Term Liabilities:
Deferred rent	121,260	104,304	[1]
Total Long Term Liabilities	121,260	104,304	[1]
Total Liabilities	1,387,106	1,790,322	[1]
COMMITMENTS, CONTINGENCIES and LITIGATION (Note 6)			[1]
Stockholders' Equity
Preferred stock - $.10 par value; authorized 10,000,000 shares; issued and outstanding: none	0	0	[1]
Common stock - $.001 par value; authorized 45,000,000 shares; issued and outstanding 25,262,538 shares at June 30, 2011 and December 31, 2010	25,263	25,263	[1]
Additional paid-in capital	131,650,548	130,916,326	[1]
Accumulated deficit	(108,894,347)	(99,142,621)	[1]
Total Stockholders' Equity	22,781,464	31,798,968	[1]
Total Liabilities and Stockholders' Equity	$ 24,168,570	$ 33,589,290	[1]

[1] Derived from the audited balance sheet as of December 31, 2010