Note 4 - Inventories

12 Months Ended

Dec. 31, 2018

Notes to Financial Statements

Inventory Disclosure [Text Block]

4

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Inventories

Inventories consisted of the following:

	December 31,
	2018		2017
Raw materials	$	4,732,000	$	4,567,000
Work in process		825,000		1,058,000
Finished goods		4,321,000		4,624,000
	$	9,878,000	$	10,249,000