Consolidated Statements Of Cash Flows (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Operating activities:
Net (loss) income	$ (23,325,116)	$ (13,032,942)	$ 33,046,749
Adjustments to reconcile net (loss) income to net cash flows from operating activities
Depreciation	444,527	422,127	176,405
Amortization of Intangible Assets	890,980	844,216	697,701
Derivative (gain) loss	(3,463,453)	(3,126,771)	6,790,827
Stock-based compensation expense	1,226,724	1,376,467	2,003,031
Warrant issuance expense			55,452
Loss on Disposal of Equipment			2,401
Intangible license impairment		243,648
Warrants received in settlement		(382,800)
Changes in assets and liabilities:
Accounts receivable	530,544	635,526	(809,724)
Prepaid expenses and other assets	6,226	51,866	29,328
Accounts payable and accrued expenses	407,441	809,517	216,162
Income Taxes Payable		(312,128)	312,128
Deferred Revenue	7,133	788,977	(24,330,426)
Net cash flows from operating activities	(23,274,994)	(11,682,297)	18,190,034
Investing activities:
Purchase of equipment	(286,973)	(103,985)	(749,983)
Purchase of intangible assets		(1,000,000)	(2,000,000)
Net cash flows from investing activities	(286,973)	(1,103,985)	(2,749,983)
Financing activities:
Proceeds from sales of securities	13,996,773	9,747,500
Proceeds from exercise of stock options	349,676	97,882	663,371
Payment on notes payable			(76,665)
Proceeds from exercise of common stock warrants	1,749,259		5,108,069
Proceeds from (repayment of) related party advances, net	7,805	(2,723,844)	1,832,857
Net cash flows from financing activities	16,103,513	7,121,538	7,527,632
Net change in cash and cash equivalents	(7,458,454)	(5,664,744)	22,967,683
Cash and cash equivalents at beginning of year	18,208,659	23,873,403	905,720
Cash and cash equivalents at end of year	$ 10,750,205	$ 18,208,659	$ 23,873,403