Note 4 - Inventory

9 Months Ended

Sep. 30, 2021

Notes to Financial Statements

Inventory Disclosure [Text Block]

4.  INVENTORY

Inventory is valued at the lower of cost (first-in, first-out) or net realizable value and consists of:

	September 30, 2021		December 31, 2020
Raw materials and component parts	$	4,634,164	$	3,897,133
Work-in-process		4,297,343		3,449,252
Finished products		6,859,877		3,999,920
Total inventory	$	15,791,384	$	11,346,305
Less: inventory reserves		376,434		315,345
Net inventory	$	15,414,950	$	11,030,960