Note 4 - Inventory

6 Months Ended

Jun. 30, 2018

Notes to Financial Statements

Inventory Disclosure [Text Block]

4.

  INVENTORY

Inventory is valued at the lower of cost (

first

-in,

first

-out) or market and consist of:

	June 30 , 2018		December 31, 2017
Raw materials and component parts	$	1,170,772	$	2,637,138
Work-in-process		-		523,644
Finished products		954,491		1,200,204
Total Inventory	$	2,152,263		4,360,986
Less: inventory reserves		144,767		457,505
Net Inventory	$	1,980,496	$	3,903,481