Condensed Consolidated Statements Of Cash Flows (USD $)	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Operating activities:
Net income (loss)	$ 20,296,051	$ (9,019,311)
Adjustments to reconcile net income (loss) to net cash flows from operating activities:
Depreciation and amortization	372,760	326,923
Derivative loss	1,867,246	487,313
Stock-based compensation expense	461,764	246,056
Changes in assets and liabilities:
Accounts receivable	(96,586)	(108,126)
Prepaid expenses and other assets	(345,019)	(144,721)
Accounts payable and accrued expenses	(6,257)	1,964,333
Deferred revenue	(49,600)	108,035
Net cash flows from operating activities	22,500,359	(6,139,498)
Investing activities:
Purchase of equipment	(24,792)	(1,398)
Purchase of intangible assets	(1,050,000)
Net cash flows from investing activities	(1,074,792)	(1,398)
Financing activities:
Proceeds from issuance of common stock		13,996,773
Proceeds from exercise of stock options		207,454
Change in amounts due to related parties	(60,805)	(50,873)
Net cash flows from financing activities	(60,805)	14,153,354
Net change in cash and cash equivalents	21,364,762	8,012,458
Cash and cash equivalents at beginning of period	10,750,205	18,208,659
Cash and cash equivalents at end of period	$ 32,114,967	$ 26,221,117