Condensed Consolidated Statement of Stockholders' Equity - 9 months ended Sep. 30, 2016 - USD ($)	Common Stock [Member]	Contingently Issuable Share [Member]	Additional Paid-in Capital [Member]	Treasury Stock [Member]	Accumulated Deficit [Member]	Total
Balance at Dec. 31, 2015	$ 54,095	$ 6	$ 259,887,464	$ (234,337)	$ (158,133,926)	$ 101,573,302
Balance (in shares) at Dec. 31, 2015	54,095,110			41,309
Issuance of common stock in connection with exercise of warrants	$ 45		100,851			100,896
Issuance of common stock in connection with exercise of warrants (in shares)	44,541
Issuance of common stock in connection with conversion of notes payable	$ 3		30,598			30,601
Issuance of common stock in connection with conversion of notes payable (in shares)	3,201
Issuance of restricted stock	$ 261		(261)			0
Issuance of restricted stock (in shares)	261,000
Forfeiture of restricted stock	$ (35)		35			0
Forfeiture of restricted stock (in shares)	(34,773)
Issuance of common stock in At the Market offering (net of offering costs of $122,497)	$ 397		3,446,876			3,447,273
Issuance of common stock in At the Market offering (net of offering costs of $122,497) (in shares)	396,811
Compensation in respect of restricted stock granted to employees, directors and consultants			6,181,400			6,181,400
Net loss					(54,578,751)	(54,578,751)
Balance at Sep. 30, 2016	$ 54,766	$ 6	$ 269,646,963	$ (234,337)	$ (212,712,677)	$ 56,754,721
Balance (in shares) at Sep. 30, 2016	54,765,890			41,309