CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $)	Total	Common Stock	Additional Paid-in Capital	Statutory Reserves	Treasury Stock	Retained Earnings	Accumulated Other Comprehensive Income
Beginning Balance at Dec. 31, 2011	$ 219,636,640	$ 3,003	$ 78,564,128	$ 10,418,476	$ (2,126,597)	$ 116,369,487	$ 16,408,143
Beginning Balance (in shares) at Dec. 31, 2011		29,772,434
Net income	11,475,012					11,475,012
Foreign currency translation adjustment	208,402						208,402
Exercise of warrants (in shares)		48,402
Exercise of warrants	311,704	5	311,699
Share-based payments to employees and directors	112,875		112,875
Appropriation of statutory reserves				799,103		(799,103)
Ending Balance at Mar. 31, 2012	$ 231,744,633	$ 3,008	$ 78,988,702	$ 11,217,579	$ (2,126,597)	$ 127,045,396	$ 16,616,545
Ending Balance (in shares) at Mar. 31, 2012		29,820,836