Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $)	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Operating activities:
Net income (loss)	$ 3,527,187	$ (19,241,213)
Adjustments to reconcile net income (loss) to net cash flows from operating activities:
Depreciation and amortization	1,120,741	989,613
Derivative loss (gain)	8,871,050	(3,032,106)
Stock-based compensation expense	1,373,970	1,006,614
Changes in assets and liabilities:
Accounts receivable	76,829	(1,021,409)
Prepaid expenses and other assets	2,398	(13,157)
Accounts payable and accrued expenses	2,327,264	2,372,321
Deferred revenue	2,351,200	15,133
Net cash flows from operating activities	19,650,639	(18,924,204)
Investing activities:
Purchase of equipment	(32,283)	(214,616)
Purchase of intangible assets	(1,050,000)
Net cash flows from investing activities	(1,082,283)	(214,616)
Financing activities:
Proceeds from issuance of common stock		13,996,773
Proceeds from exercise of stock options	1,873,397	349,676
Proceeds from exercise of warrants	135,000	1,749,259
Change in amounts due to related parties	(7,805)	(46,127)
Net cash flows from financing activities	2,000,592	16,049,581
Net change in cash and cash equivalents	20,568,948	(3,089,239)
Cash and cash equivalents at beginning of period	10,750,205	18,208,659
Cash and cash equivalents at end of period	$ 31,319,153	$ 15,119,420