Inventories, Net (Tables)

6 Months Ended

Jun. 30, 2017

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

	June 30,		December 31,
	2017		2016
Raw materials	$	3,516,267	$	3,310,310
Work in process		2,508,025		1,942,600
Finished goods		13,760,317		13,889,328
Allowance for excess quantities		(837,003)		(794,227)
Total inventories	$	18,947,606	$	18,348,011