Consolidated Statements of Cash Flows (Unaudited) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Cash flows from operating activities:
Net loss	$ (14,962,654)	$ (19,067,397)
Depreciation and amortization	392,727	391,595
Share-based compensation, net	1,373,968	1,244,342
Fair value of common stock issued for services	8,404	96,375
Gain on revaluation of derivative warrant liability	(911,000)	(4,465,986)
Loss on disposals of assets	1,114
Amortization of discount on note payable		2,879,166
Amortization of deferred financing costs	3,549,328	968,004
Prepaid expenses and other current assets	(441,603)	26,405
Deposits and other assets		(1,500)
Accounts payable	765,149	(1,282,899)
Deferred revenue from licensing arrangements	(57,321)	(27,600)
Accrued and other liabilities	(442,715)	(170,341)
Net cash used in operating activities	(10,724,603)	(19,409,836)
Cash Flows from Investing Activities:
Purchase of property and equipment	(36,627)	(249,007)
Decrease in restricted cash	250,000	104,975
Decrease in security deposit	2,076
Net cash provided by (used in) investing activities	215,449	(144,032)
Cash Flows From Financing Activities:
Repayment of credit facility		(3,000,000)
Proceeds from equity issuances	3,293,397	26,864,570
Principal payments on capital lease obligations	(1,362)	(2,527)
Capital contribution	440,675
Net cash provided by financing activities	3,732,710	23,862,043
Net increase (decrease) in cash and cash equivalents	(6,776,444)	4,308,175
Cash and cash equivalents, beginning of year	8,055,385	3,747,210
Cash and cash equivalents, end of year	1,278,941	8,055,385
Supplemental disclosure of cash flow information:
Cash paid for interest	2,154	275
Cash paid for income taxes
Deemed dividend on beneficial conversion feature of convertible preferred stock	350,000	371,140
Conversion of convertible preferred stock into Common Stock at par value		$ 20,150