Note 5 - Inventories, Net (Tables)

3 Months Ended

Mar. 31, 2016

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	March 31, 2016		December 31, 2015
Raw materials	$	2,888,676	$	2,718,328
Work-in-process		205,720		174,698
Finished goods		91,227		93,404
Totals	$	3,185,623	$	2,986,430