Note 6 - Inventories

9 Months Ended

Sep. 30, 2019

Notes to Financial Statements

Inventory Disclosure [Text Block]

6. Inventories

As of

September 30, 2019

and

December 31, 2018,

inventories consisted of the following:

	September 30,		December 31,
	2019		2018
Raw materials	$	4,466,000	$	4,732,000
Work in process		2,578,000		825,000
Finished goods		4,211,000		4,321,000
	$	11,255,000	$	9,878,000