Condensed Consolidated Balance Sheets (USD $)	Mar. 31, 2012	Dec. 31, 2011
ASSETS
Cash and cash equivalents	$ 32,114,967	$ 10,750,205
Accounts receivable, other	197,718	101,132
Prepaid expenses and other current assets	574,905	229,886
Total current assets	32,887,590	11,081,223
Equipment, net	3,174,567	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	(4,004,857)	(3,749,637)
Total other intangible assets	6,945,143	6,150,363
Derivative asset, warrant (note 7)	661,900	388,540
Other assets	21,976	21,976
Total assets	46,406,176	23,645,210
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable and accrued liabilities, other	5,002,940	5,090,795
Deferred revenue, current	12,543,961	12,507,471
Derivative liabilities (note 7)	2,419,908	279,302
Total current liabilities	19,966,809	17,877,568
Deferred revenue, long-term	1,561,159	1,647,249
Total liabilities	21,527,968	19,524,817
Commitments and contingencies
Stockholders' equity:
Preferred Stock, $.001 par value; 5,000,000 shares authorized in 2012 and 2011; 0 shares outstanding in 2012 and 2011
Common Stock, $.001 par value; 75,000,000 shares authorized; 29,577,146 shares issued; 29,561,655 shares outstanding in 2012 and 2011, respectively	29,578	29,578
Additional paid-in capital	100,171,338	99,709,574
Treasury stock, at cost, 15,491 shares, 2012 and 2011	(47,183)	(47,183)
Accumulated deficit	(75,275,525)	(95,571,576)
Total stockholders' equity	24,878,208	4,120,393
Total liabilities and stockholders' equity	$ 46,406,176	$ 23,645,210