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 at Dec. 31, 2012	$ 278,932,195	$ 3,008	$ 79,257,921	$ 14,566,846	$ (2,126,597)	$ 170,163,120	$ 17,067,897
Beginning Balance (in shares) at at Dec. 31, 2012		29,820,836
Net income	13,311,187					13,311,187
Foreign currency translation adjustment	761,707	0	0	0	0	0	761,707
Share-based payments to employees and directors	81,464	0	81,464	0	0	0	0
Appropriation of statutory reserves	0	0	0	973,759	0	(973,759)	0
Ending Balance at at Mar. 31, 2013	$ 293,086,553	$ 3,008	$ 79,339,385	$ 15,540,605	$ (2,126,597)	$ 182,500,548	$ 17,829,604
Ending Balance (in shares) at at Mar. 31, 2013		29,820,836