Inventories (Tables)

12 Months Ended

Dec. 31, 2012

Inventories [Abstract]

Schedule of inventory

	December 31, 2012			December 31, 2011
Raw materials	$	5,687,612		$	5,606,073
Work-in-progress		7,296,733			7,919,403
Finished goods		36,770,852			23,916,206
		49,755,197			37,441,682
Less: allowance for obsolete inventories		(3,716,741	)		(566,878	)
Total inventories	$	46,038,456		$	36,874,804