CONDENSED CONSOLIDATED BALANCE SHEETS (USD $)	Mar. 31, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 88,199,418	$ 23,175,809
Accounts receivable	2,531,429	2,794,040
Prepaid expenses and other current assets	703,426	630,657
Total current assets	91,434,273	26,600,506
Equipment, net	235,061	178,168
Idle equipment, net (note 1)	3,301,112	2,844,718
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	(5,996,091)	(5,753,502)
Total other intangible assets	4,953,909	5,196,498
Other assets	392,112	470,535
Total assets	103,031,467	38,005,425
Current liabilities:
Accounts payable and accrued liabilities	8,844,483	10,415,981
Notes payable, current maturities	7,333,334	7,333,333
Deferred revenue, current (notes 3 and 4)	1,924,861	2,927,088
Derivative liabilities (note 8)	7,470,271	4,315,183
Total current liabilities	25,572,949	24,991,585
Notes payable, less current maturities	9,926,903	11,844,706
Deferred revenue, long-term	2,217,506	1,281,485
Other long-term liabilities	700,000	700,000
Total liabilities	38,417,358	38,817,776
Commitments and contingencies (note 10)
Stockholders' equity (deficit):
Preferred Stock, $.001 par value; 5,000,000 shares authorized in 2014 and 2013; 2,709,300 shares of Series A Non-Voting Convertible Preferred Stock outstanding in 2014 and 2013	2,709	2,709
Common Stock, $.001 par value; 75,000,000 shares authorized in 2014 and 2013; 48,165,551 and 38,204,384 shares issued; 48,150,060 and 38,188,893 shares outstanding in 2014 and 2013, respectively	48,166	38,204
Additional paid-in capital	220,567,836	150,506,927
Treasury stock, at cost, 15,491 shares, 2014 and 2013	(47,183)	(47,183)
Accumulated deficit	(155,957,419)	(151,313,008)
Total stockholders' equity (deficit)	64,614,109	(812,351)
Total liabilities and stockholders' equity (deficit)	$ 103,031,467	$ 38,005,425