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, 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 Dec. 31, 2012		29,820,836
Net income	28,986,997	0	0	0	0	28,986,997	0
Foreign currency translation adjustment	5,126,628	0	0	0	0	0	5,126,628
Exercise of warrants (in shares)		10,500
Exercise of warrants	60,480	1	60,479	0	0	0	0
Share-based payments to employees and directors	155,920	0	155,920	0	0	0	0
Appropriation of statutory reserves	0	0	0	2,117,544	0	(2,117,544)	0
Ending Balance at Jun. 30, 2013	$ 313,262,220	$ 3,009	$ 79,474,320	$ 16,684,390	$ (2,126,597)	$ 197,032,573	$ 22,194,525
Ending Balance (in shares) at Jun. 30, 2013		29,831,336