Note 4 - Inventories

12 Months Ended

Dec. 31, 2019

Notes to Financial Statements

Inventory Disclosure [Text Block]

4.

Inventories

Inventories consisted of the following (in thousands):

	December 31,
	201 9		201 8
Raw materials	$	1,426	$	1,162
Work-in-process		596		158
Finished products		1,890		2,102
Total inventories	$	3,912	$	3,422