CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $)	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Operating activities:
Net loss	$ (11,315,780)	$ (26,137,651)
Adjustments to reconcile net loss to net cash flows from operating activities:
Depreciation and amortization	509,741	685,759
Debt costs	321,240
Derivative loss (gain)	8,945,782	(1,417,537)
Purchase of Arcion license with common stock	0	2,072,136
Stock-based compensation expense	2,479,256	1,365,259
Changes in assets and liabilities:
Accounts receivable	(9,845,509)	11,796
Inventory	(795,374)
Prepaid expenses and other assets	29,659	(21,672)
Accounts payable and accrued liabilities	(601,493)	1,121,820
Income tax payable	0	85,000
Deferred revenue	1,535,082	(3,530,926)
Net cash flows from operating activities	(8,737,396)	(25,766,016)
Investing activities:
Purchase of equipment	(1,020,237)	(1,648)
Net cash flows from investing activities	(1,020,237)	(1,648)
Financing activities:
Proceeds from sale of securities	62,036,873
Proceeds from exercise of stock options	2,832,534	9,235
Proceeds from exercise of common stock warrants	3,994,356
Payment of notes payable	(4,000,000)
Return of short swing profits	82,337
Net cash flows from financing activities	64,946,100	9,235
Net change in cash and cash equivalents	55,188,467	(25,758,429)
Cash and cash equivalents at beginning of period	23,175,809	63,189,307
Cash and cash equivalents at end of period	$ 78,364,276	$ 37,430,878