CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS EQUITY (USD $)	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-In Capital [Member]	Treasury Stock [Member]	Statutory Reserves [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income [Member]	Total
Beginning Balance at Dec. 31, 2012	$ 2,577,324	$ 15,908	$ 19,029,586	$ (78,767)	$ 4,960,023	$ 58,325,932	$ 5,467,012	$ 90,297,018
Beginning Balance (Shares) at Dec. 31, 2012	113,010	15,863,826
Net income						9,377,493		9,377,493
Foreign currency translation adjustment							1.629292	1.629292
Preferred stock dividend						(112,246)		(112,246)
Appropriation of statutory reserves					4,539	(4,539)
Share-based payment to employees			108,613					108,613
Ending Balance at Jun. 30, 2013	$ 2,577,324	$ 15,908	$ 19,138,199	$ (78,767)	$ 4,964,562	$ 67,586,640	$ 7,096,304	$ 101,300,170
Ending Balance (Shares) at Jun. 30, 2013	113,010	15,863,826