Consolidated Balance Sheets (USD $)	Dec. 31, 2011	Dec. 31, 2010
Current Assets:
Cash and cash equivalents	$ 8,995,571	$ 1,342,044
Restricted cash	250,000
Accounts receivable	37,065	141,488
Stock subscriptions receivable	6,667	285,000
Prepaid expenses and other current assets	274,208	195,205
Total current assets	9,563,511	1,963,737
Property and Equipment, at cost:
Computer equipment	298,290	265,862
Office and laboratory equipment (including assets under capitalized leases)	624,817	626,823
Furniture and fixtures	186,837	17,019
Manufacturing equipment	156,435	129,320
Leasehold improvements	187,264	177,768
Property and equipment, at cost	1,453,643	1,216,792
Less-Accumulated depreciation and amortization	(1,135,912)	(1,168,758)
Net property and equipment (including assets under capitalized leases)	317,731	48,034
Other Assets:
Restricted cash	19,739	275,249
Intangible assets, net of accumulated amortization	9,625,000	9,625,000
Deposits and other assets	826	250
Total other assets	9,645,565	9,900,499
Total assets	19,526,807	11,912,270
Current Liabilities:
Accounts payable	365,298	605,634
Deferred revenue	123,708	405,454
Current portion of notes payable and capital lease obligation, net of discounts	2,288	102,071
Derivative warrant liability	1,035,337	1,544,996
Accrued expenses and other liabilities	965,832	463,475
Total current liabilities	2,492,463	3,121,630
Notes Payable and capital lease obligation, net of current portion and discounts	3,888	6,176
Deferred revenue, net of current portion	61,867	82,180
Total liabilities	2,558,218	3,209,986
Perpetual Redeemable Preferred Stock:
Series B, $0.01 par value, authorized 40,000 shares, issued and outstanding 154.3940 shares at December 31, 2010		2
Convertible Preferred Stock:
Series C, $0.01 par value, authorized 10,000 shares, issued and outstanding 9,974.185 and 4,918.100 shares at December 31, 2011 and 2010, respectively	100	49
Series D, $0.01 par value, authorized 3,600,000 shares, issued and outstanding 3,006,000 shares at December 30, 2011 (preference in liquidation of $3,006,000 at December 31, 2011)	30,060
Common stock, $0.01 par value, authorized 100,000,000 shares, issued and outstanding 38,543,944 and 31,126,245 shares at December 31, 2011 and 2010, respectively	385,442	311,264
Additional paid-in capital	98,116,327	79,646,385
Common stock subscribed for but not paid for or issued, 33,333 and 285,000 shares at December 31, 2011 and 2010, respectively	6,667	285,000
Accumulated deficit	(81,570,007)	(71,540,416)
Total stockholders' equity	16,968,589	8,702,284
Total liabilities and stockholders' equity	$ 19,526,807	$ 11,912,270