Consolidated Balance Sheets (USD $)	Jun. 30, 2011	Dec. 31, 2010
Current Assets:
Cash and cash equivalents	$ 3,199,661	$ 1,342,044
Restricted cash	393,750	0
Accounts receivable	37,065	141,488
Stock subscriptions receivable	0	285,000
Prepaid expenses and other current assets	278,807	195,205
Total current assets	3,909,283	1,963,737
Property and Equipment, at cost:
Computer equipment	267,118	265,862
Office and laboratory equipment (including assets under capitalized leases)	614,392	626,823
Furniture and fixtures	136,602	17,019
Manufacturing equipment	189,131	129,320
Leasehold improvements	177,768	177,768
Property and equipment, at cost	1,385,011	1,216,792
Less-Accumulated depreciation and amortization	(1,104,781)	(1,168,758)
Net property and equipment (including assets under capitalized leases)	280,230	48,034
Other Assets:
Restricted cash	9,749	275,249
Intangible assets, net of accumulated amortization	9,625,000	9,625,000
Deposits and other assets	10,816	250
Total other assets	9,645,565	9,900,499
Total assets	13,835,078	11,912,270
Current Liabilities:
Accounts payable	430,289	605,634
Deferred revenue	244,724	405,454
Current portion of notes payable and capital lease obligation, net of discounts	2,177	102,071
Derivative warrant liability	2,526,177	1,544,996
Accrued expenses and other liabilities	667,886	463,475
Total current liabilities	3,871,253	3,121,630
Notes payable and capital lease obligation, net of current portion	5,061	6,176
Deferred revenue, net of current portion	0	82,180
Total liabilities	3,876,314	3,209,986
Commitments
Stockholders' Equity:
Common stock	339,798	311,264
Additional paid-in capital	87,661,226	79,646,385
Common stock subscribed for but not paid for or issued	0	285,000
Accumulated deficit	(78,077,371)	(71,540,416)
Total stockholders' equity	9,958,764	8,702,284
Total liabilities and stockholders' equity	13,835,078	11,912,270
Series B Preferred Stock [Member]
Stockholders' Equity:
Preferred stock	2	2
Series C Preferred Stock [Member]
Stockholders' Equity:
Preferred stock	49	49
Series D Preferred Stock [Member]
Stockholders' Equity:
Preferred stock	$ 35,060	$ 0