Note 6 - Inventories

9 Months Ended

Sep. 30, 2017

Notes to Financial Statements

Inventory Disclosure [Text Block]

6. Inventories

As of

September 30, 2017

and

December 31, 2016,

inventories consisted of the following:

	September 30,		December 31,
	2017		2016
Raw materials	$	4,081,000	$	4,313,000
Work in process		1,609,000		2,535,000
Finished goods		3,774,000		4,146,000
	$	9,464,000	$	10,994,000