Note 3 - Inventory

3 Months Ended

Mar. 31, 2019

Notes to Financial Statements

Inventory Disclosure [Text Block]

3.

Inventory

Inventory consists of the following at

March 31, 2019

and

December 

31,

2018:

(I n thousands)	March 31, 2019		December 31, 2018
Raw materials	$	1,629	$	1,453
Work in progress		949		652
Finished goods		1,482		1,404
Total	$	4,060	$	3,509