CONSOLIDATED STATEMENTS OF STOCKHOLDERS EQUITY (USD $)	Common Stock Shares	Common Stock Amount	Additional Paid-In Capital	Accumulated Other Comprehensive Income (Loss) USD ($)	Treasury Stock Shares	Treasury Stock Amount	Accumulated Deficit USD ($)	Total Stockholders' (Deficit) Equity USD ($)
Balance at Dec. 31, 2010	13,369,924	133,699	770,863,164	965,868	180,449	(1,719,510)	(727,329,858)	42,913,363
Net loss attributable to the Company							$ (27,453,954)	$ (27,453,954)
Other comprehensive loss				(37,124)				(37,124)
Stock based compensation	221,737	2,217	1,848,330		833	(3,030)		1,847,517
Public offering common stock, net	9,332,750	93,328	11,831,027					11,924,355
Issuance of treasury shares			(328,650)		(35,000)	328,650
Purchase of treasury shares					19,624	(158,492)		(158,492)
Other comprehensive loss				(37,124)				(37,124)
Balance at Dec. 31, 2011	22,924,411	229,244	784,213,871	928,744	165,906	(1,552,382)	(754,783,812)	29,035,665
Public offering common stock, net	14,950,000	149,500	15,640,770					15,790,270
Net loss attributable to the Company							(31,862,454)	(31,862,454)
Other comprehensive income				75,668				75,668
Stock based compensation	530,353	5,304	1,985,850					1,991,154
Balance at Dec. 31, 2012	38,404,764	384,048	801,840,491	1,004,412	165,906	(1,552,382)	(786,646,266)	15,030,303
Other comprehensive loss				(106,605)				(106,605)
Net loss attributable to the Company							(62,669,682)	(62,669,682)
Other comprehensive loss				$ (106,605)				$ (106,605)
Stock based compensation	2,198,154	21,982	2,127,510					2,149,492
Public Offering, common stock, net (1)	43,101,800	431,018	9,991,406					10,422,424
Exercise of warrants (2)	22,494,987	224,950	17,076,968					17,301,918
Stock dividend	156,853	1,568	119,550				(121,118)
Balance at Dec. 31, 2013	106,356,558	1,063,566	831,155,925	897,807	165,906	(1,552,382)	(849,437,066)	(17,872,150)