Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Operating activities:
Net (loss) income	$ (12,722,640)	$ 6,750,616
Adjustments to reconcile net (loss) income to net cash flows from operating activities:
Depreciation and amortization	366,161	372,760
Derivative (gain) loss	(1,024,951)	1,867,246
Purchase of Arcion license	2,072,136
Stock-based compensation expense	584,166	461,764
Changes in assets and liabilities:
Accounts receivable	293,192	(96,586)
Prepaid expenses and other assets	(254,063)	(345,019)
Accounts payable and accrued expenses	(1,299,423)	(6,257)
Income tax payable	85,000
Deferred revenue	(1,621,977)	13,495,835
Net cash flows from operating activities	(13,522,399)	22,500,359
Investing activities:
Purchase of equipment		(24,792)
Purchase of intangible assets		(1,050,000)
Net cash flows from investing activities		(1,074,792)
Financing activities:
Change in amounts due to related parties		(60,805)
Net cash flows from financing activities		(60,805)
Net change in cash and cash equivalents	(13,522,399)	21,364,762
Cash and cash equivalents at beginning of period	63,189,307	10,750,205
Cash and cash equivalents at end of period	$ 49,666,908	$ 32,114,967