Inventories, Net

3 Months Ended

Mar. 31, 2017

Inventory Disclosure [Abstract]

Inventory Disclosure [Text Block]

Note 5 - Inventories, Net 

	March 31,		December 31,
	2017		2016
Raw materials	$	3,479,323	$	3,310,310
Work in process		2,271,295		1,942,600
Finished goods		13,027,883		13,889,328
Allowance for excess quantities		(814,307)		(794,227)
Total inventories	$	17,964,194	$	18,348,011