Note 6 - Inventories

9 Months Ended

Sep. 30, 2020

Notes to Financial Statements

Inventory Disclosure [Text Block]

6. Inventories

As of

September 30, 2020

and

December 31, 2019,

inventories consisted of the following:

	September 30,		December 31,
	2020		2019
Raw materials	$	7,963,000	$	4,284,000
Work in process		1,905,000		2,559,000
Finished goods		3,287,000		4,460,000
	$	13,155,000	$	11,303,000