CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (DEFICIT) (USD $)	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit during Development Stage [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Balances at Dec. 31, 2011	$ (6,137,844)	$ 134,327	$ 43,514,591	$ (49,519,585)	$ (267,177)
Balances (in shares) at Dec. 31, 2011		19,540,358
Issuance of common stock	0	0	0	0	0
Issuance of common stock (in shares)		13,257,267
Exercise of stock options (in shares)	0
Reclassification of mezzanine equity, net	12,531,495	98,087	12,433,408	0	0
Share-based compensation expense	818,037	0	818,037	0	0
Unrealized loss on foreign currency translation	3,180	0	0	0	3,180
Net loss	(7,757,079)	0	0	(7,757,079)	0
Balances at Dec. 31, 2012	(542,211)	232,414	56,766,036	(57,276,664)	(263,997)
Balances (in shares) at Dec. 31, 2012		32,797,625
Issuance of common stock	7,551,324	58,972	7,492,352	0	0
Issuance of common stock (in shares)		5,897,248
Exercise of stock options	23,993	180	23,813	0	0
Exercise of stock options (in shares)	18,023	18,023
Reclassification of mezzanine equity, net	6,275,723	45,619	6,230,104	0	0
Share-based compensation expense	474,101	0	474,101	0	0
Unrealized loss on foreign currency translation	(3,464)	0	0	0	(3,464)
Net loss	(8,020,515)	0	0	(8,020,515)	0
Balances at Dec. 31, 2013	$ 5,758,951	$ 337,185	$ 70,986,406	$ (65,297,179)	$ (267,461)
Balances (in shares) at Dec. 31, 2013		38,712,896