Condensed Consolidated Statement of Equity (USD $)	Total	Preferred Stock [Member]	Common Stock [Member]	Contingently Issuable Share [Member]	Additional Paid-in Capital [Member]	Treasury Stock [Member]	Accumulated Deficit during Development Stage [Member]
Balance at Dec. 31, 2012	$ 15,550,301	$ 0	$ 25,821	$ 6	$ 34,534,805	$ (84,538)	$ (18,925,793)
Balance (in shares) at Dec. 31, 2012		0	25,820,738			13,526
Issuance of common stock in connection with exercise of warrants	1,997,498		887		1,996,611
Issuance of common stock in connection with exercise of warrants (in shares)			887,109
Issuance of common stock in connection with cashless exercise of warrants	(1)		2		(3)
Issuance of common stock in connection with cashless exercise of warrants (in Shares)			2,244
Issuance of restricted stock	0		149		(149)
Issuance of restricted stock (in shares)			149,044
Issuance of common stock in public offering (net of offering costs of $2,664,970)	37,648,280		6,555		37,641,725
Issuance of common stock in public offering (net of offering costs of $2,664,970) (shares)			6,555,000
Compensation in respect of restricted stock and stock options granted to employees, directors and consultants	4,256,000				4,256,000
Net loss	(14,814,358)						(14,814,358)
Balance at Sep. 30, 2013	$ 44,637,720	$ 0	$ 33,414	$ 6	$ 78,428,989	$ (84,538)	$ (33,740,151)
Balance (in shares) at Sep. 30, 2013		0	33,414,135			13,526