Note 4 - Inventory

12 Months Ended

Dec. 31, 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 the following:

	December 31, 2018		December 31, 2017
Raw materials and component parts	$	2,313,664	$	2,637,138
Work-in-process		1,209,117		523,644
Finished products		2,201,693		1,200,204
Total Inventory		5,724,474		4,360,986
Less: Inventory reserves		226,492		457,505
Net Inventory	$	5,497,982	$	3,903,481