Consolidated Balance Sheets (USD $)	Sep. 30, 2012	Dec. 31, 2011
Current Assets:
Cash and cash equivalents	$ 1,395,840	$ 8,995,571
Cash restricted pursuant to letters of credit	407,463	250,000
Accounts receivable		37,065
Stock subscriptions receivable		6,667
Current portion of deferred financing costs	1,068,462	100,458
Prepaid expenses and other current assets	74,709	173,750
Total current assets	2,946,474	9,563,511
Property and Equipment, at cost:
Computer equipment	292,730	298,290
Office and laboratory equipment (including assets under capitalized leases)	656,406	624,817
Furniture and fixtures	639,869	186,837
Manufacturing equipment	156,435	156,435
Leasehold improvements	556,420	187,264
Property and equipment, at cost	2,301,860	1,453,643
Less-Accumulated depreciation and amortization	(1,096,015)	(1,135,912)
Net property and equipment (including assets under capitalized leases)	1,205,845	317,731
Other Assets:
Intangible assets, net of accumulated amortization	9,625,000	9,625,000
Deferred financing costs	3,791,329
Other assets	10,566	20,565
Total other assets	13,426,895	9,645,565
Total assets	17,579,214	19,526,807
Current Liabilities:
Accounts payable	1,029,488	365,298
Deferred revenue from licensing arrangements	92,794	123,708
Current portion of capital lease obligation	2,465	2,288
Derivative warrant liability	6,772,536	1,035,337
Accrued expenses and other liabilities	1,313,465	965,832
Total current liabilities	9,210,748	2,492,463
Capital lease obligation, net of current portion	2,017	3,888
Note payable, net of discount	5,556
Deferred revenue from licensing arrangements, net of current portion		61,867
Total liabilities	9,218,321	2,558,218
Series C, $0.01 par value, authorized 10,000 shares, issued and outstanding 9,974.185 shares at September 30, 2012 and December 31, 2011	100	100
Series D, $0.01 par value, authorized 3,600,000 shares, issued and outstanding 3,006,000 shares at September 30, 2012 and December 31, 2011 (preference in liquidation of $3,006,000)	30,060	30,060
Common Stock, $0.01 par value, authorized 150,000,000 shares, issued and outstanding 39,911,336 and 38,543,944 shares at September 30, 2012 and December 31, 2011, respectively	399,116	385,442
Additional paid-in capital	99,906,833	98,116,327
Common stock subscribed for but not paid for or issued,33,333 shares at December 31, 2011		6,667
Accumulated deficit	(91,975,216)	(81,570,007)
Total stockholders' equity	8,360,893	16,968,589
Total liabilities and stockholders' equity	$ 17,579,214	$ 19,526,807