CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $)	Total	Common Stock	Additional Paid-in Capital	Treasury Stock	Statutory Reserves	Retained Earnings	Accumulated Other Comprehensive Income
Beginning Balance at Dec. 31, 2010	$ 153,157,623	$ 2,938	$ 71,251,843		$ 7,556,187	$ 67,091,089	$ 7,255,566
Beginning Balance (in shares) at Dec. 31, 2010		29,385,326
Net income	40,406,145					40,406,145
Foreign currency translation adjustment	7,657,655						7,657,655
Comprehensive income	48,063,800
Exercise of warrants (in shares)		647,124
Exercise of warrants	6,793,983	65	6,793,918
Repurchase of common stock	(2,126,597)			(2,126,597)
Share-based payments to employees and directors	379,278		379,278
Appropriation of statutory reserves					2,067,602	(2,067,602)
Ending Balance at Sep. 30, 2011	$ 206,268,087	$ 3,003	$ 78,425,039	$ (2,126,597)	$ 9,623,789	$ 105,429,632	$ 14,913,221
Ending Balance (in shares) at Sep. 30, 2011		30,032,450