Condensed Consolidated Statement of Equity - 6 months ended Jun. 30, 2015 - USD ($)	Total	Preferred Stock [Member]	Common Stock [Member]	Contingently Issuable Shares [Member]	Additional Paid-in Capital [Member]	Treasury Stock [Member]	Accumulated Deficit [Member]
Balance at Dec. 31, 2014	$ 80,101,884	$ 0	$ 44,974	$ 6	$ 175,476,521	$ (234,337)	$ (95,185,280)
Balance (in shares) at Dec. 31, 2014		0	44,974,248			41,309
Issuance of common stock in connection with exercise of warrants	992,644		$ 2,915		989,729
Issuance of common stock in connection with exercise of warrants (in shares)			2,914,703
Issuance of common stock in connection with cashless exercise of warrants	0		$ 3		(3)
Issuance of common stock in connection with cashless exercise of warrants (in shares)			2,915
Issuance of restricted stock	0		$ 471		(471)
Issuance of restricted stock (in shares)			471,592
Forfeiture of restricted stock	0		$ (1)		1
Forfeiture of restricted stock (in shares)			(1,166)
Issuance of common stock to affiliate for cash (See Note 8)	750,003		$ 115		749,888
Issuance of common stock to affiliate for cash (See Note 8) (in shares)			114,855
Issuance of common stock in At the Market offering (net of offering costs of $965,188)	51,186,105		$ 3,221		51,182,884
Issuance of common stock in At the Market offering (net of offering costs of $965,188) (in shares)			3,220,717
Compensation in respect of restricted stock granted to employees, directors and consultants	11,600,014				11,600,014
Net loss	(31,680,918)						(31,680,918)
Balance at Jun. 30, 2015	$ 112,949,732	$ 0	$ 51,698	$ 6	$ 239,998,563	$ (234,337)	$ (126,866,198)
Balance (in shares) at Jun. 30, 2015		0	51,697,864			41,309