CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $)	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income [Member]	Noncontrolling Interest [Member]	Total
Beginning Balance at Dec. 31, 2009	$ 3,448	$ 17,953	$ 26,699,154	$ 30,237,707	$ 4,487,706	$ 2,762,146	$ 64,208,114
Beginning Balance (Shares) at Dec. 31, 2009	3,448,480	17,952,894
Foreign currency translation adjustment					3,336,261	173,253	3,509,514
Issuance of Common Stock on public offering		5,181	23,876,785				23,881,966
Issuance of Common Stock on public offering (Shares)		5,181,285
Issuance of Common Stock upon exercise of warrants and conversion of Preferred Stock	(1,991)	2,556	8,613,435				8,614,000
Issuance of Common Stock upon exercise of warrants and conversion of Preferred Stock (Shares)	(1,991,833)	2,556,223
Net income				21,180,576		1,791,873	22,972,449
Ending Balance at Dec. 31, 2010	1,457	25,690	59,189,374	51,418,283	7,823,967	4,727,272	123,186,043
Ending Balance (Shares) at Dec. 31, 2010	1,456,647	25,690,402
Foreign currency translation adjustment					6,262,653	249,337	6,511,990
Net income				13,205,170		926,192	14,131,362
Ending Balance at Dec. 31, 2011	$ 1,457	$ 25,690	$ 59,189,374	$ 64,623,453	$ 14,086,620	$ 5,902,801	$ 143,829,395
Ending Balance (Shares) at Dec. 31, 2011	1,456,647	25,690,402