Condensed Consolidated Balance Sheets (USD $)	Sep. 30, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 38,296,062	$ 63,189,307
Accounts receivable, other	885,448	520,812
Prepaid expenses and other current assets	454,675	226,064
Total current assets	39,636,185	63,936,183
Equipment, net	174,524	2,835,707
Idle equipment, net (note 1)	2,469,178
Goodwill	2,715,000	2,715,000
Other intangible assets:
Licenses	1,900,000	1,900,000
Acquired product rights	9,050,000	9,050,000
Accumulated amortization	(5,510,913)	(4,770,516)
Total other intangible assets	5,439,087	6,179,484
Derivative asset, warrant (note 1)		50,300
Other assets	131,860	21,976
Total assets	50,565,834	75,738,650
Current liabilities:
Accounts payable and accrued liabilities	11,070,312	10,755,049
Notes payable, current	5,333,333
Deferred revenue, current	4,074,844	7,990,231
Derivative liabilities (note 1)	3,948,006	4,497,977
Total current liabilities	24,426,495	23,243,257
Note payable, less current maturities	13,762,511
Deferred revenue, long-term	1,330,051	2,718,180
Total liabilities	39,519,057	25,961,437
Commitments and contingencies
Stockholders' equity:
Preferred Stock, $.001 par value; 5,000,000 shares authorized; 2,709,300 shares of Series A Non-Voting Convertible Preferred Stock outstanding in 2013 and 2012	2,709	2,709
Common Stock, $.001 par value; 75,000,000 shares authorized; 38,181,544 and 37,497,703 shares issued; 38,166,053 and 37,482,212 shares outstanding in 2013 and 2012, respectively	38,182	37,499
Additional paid-in capital	149,596,562	143,703,583
Treasury stock, at cost, 15,491 shares, 2013 and 2012	(47,183)	(47,183)
Accumulated deficit	(138,543,493)	(93,919,395)
Total stockholders' equity	11,046,777	49,777,213
Total liabilities and stockholders' equity	$ 50,565,834	$ 75,738,650