Inventories, Net (Tables)

3 Months Ended

Mar. 31, 2014

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

	March 31,		December 31,
	2014		2013
Raw materials	$	3,986,121	$	3,342,528
Work in process		1,447,394		1,149,704
Finished goods		11,170,779		11,673,872
Allowance for excess quantities		(761,976)		(737,691)
Total inventories	$	15,842,318	$	15,428,413