Inventories

3 Months Ended

Mar. 31, 2021

Inventories [Line Items]

Inventory Disclosure [Text Block]

Note 4 – Inventories

Inventories consist of the following:

	March 31 2021		December 31 2020
In thousands
Raw materials	$	1,246	$	1,124
Work-in-progress		178		324
Finished goods		13		94
	$	1,437	$	1,542