Consolidated Balance Sheets (USD $)	Dec. 31, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 63,189,307	$ 10,750,205
Accounts receivable	520,812	101,132
Prepaid expenses and other current assets	226,064	229,886
Total current assets	63,936,183	11,081,223
Equipment, net	2,835,707	3,288,108
Goodwill	2,715,000	2,715,000
Other intangible assets:
Licenses	1,900,000	1,900,000
Acquired product rights	9,050,000	8,000,000
Accumulated amortization	(4,770,516)	(3,749,637)
Total other intangible assets	6,179,484	6,150,363
Derivative asset, warrant	50,300	388,540
Other assets	21,976	21,976
Total assets	75,738,650	23,645,210
Current liabilities:
Accounts payable and accrued liabilities	10,755,049	5,090,795
Deferred revenue, current (notes 5 and 6)	7,990,231	12,507,471
Derivative liabilities (note 8)	4,497,977	279,302
Total current liabilities	23,243,257	17,877,568
Deferred revenue, long-term	2,718,180	1,647,249
Total liabilities	25,961,437	19,524,817
Commitments and contingencies (notes 8 and 14)
Stockholders' equity:
Preferred Stock, $.001 par value; 5,000,000 shares authorized in 2012 and 2011; 2,709,300 shares of Series A Non-Voting Convertible Preferred Stock and 0 shares outstanding in 2012 and 2011, respectively	2,709
Common Stock, $.001 par value; 75,000,000 shares authorized in 2012 and 2011; 37,497,703 and 29,577,146 shares issued; 37,482,212 and 29,561,655 shares outstanding in 2012 and 2011, respectively	37,499	29,578
Additional paid-in capital	143,703,583	99,709,574
Treasury stock, at cost 15,491 shares, 2012 and 2011	(47,183)	(47,183)
Accumulated deficit	(93,919,395)	(95,571,576)
Total stockholders' equity	49,777,213	4,120,393
Total liabilities and stockholders' equity	$ 75,738,650	$ 23,645,210