Note 6 - Inventories

3 Months Ended

Mar. 31, 2021

Notes to Financial Statements

Inventory Disclosure [Text Block]

6. Inventories

As of

March 31, 2021

and

December 31, 2020,

inventories net of reserves consisted of the following:

	March 31,		December 31,
	2021		2020
Raw materials	$	10,866,000	$	9,729,000
Work in process		2,180,000		2,003,000
Finished goods		5,732,000		5,017,000
	$	18,778,000	$	16,749,000