Note 6 - Inventories

6 Months Ended

Jun. 30, 2020

Notes to Financial Statements

Inventory Disclosure [Text Block]

6. Inventories

As of

June 30, 2020

and

December 31, 2019,

inventories consisted of the following:

	June 30,		December 31,
	2020		2019
Raw materials	$	6,711,000	$	4,284,000
Work in process		2,626,000		2,559,000
Finished goods		2,643,000		4,460,000
	$	11,980,000	$	11,303,000