Note 4 - Inventory

6 Months Ended

Jun. 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:

	June 30, 2021		December 31, 2020
Raw materials and component parts	$	3,994,065	$	3,897,133
Work-in-process		4,445,012		3,449,252
Finished products		6,523,181		3,999,920
Total inventory	$	14,962,258	$	11,346,305
Less: inventory reserves		380,670		315,345
Net inventory	$	14,581,588	$	11,030,960