Note 3 - Inventories (Tables)

6 Months Ended

Jun. 30, 2017

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	June 30,		December 31,
	2017		2016
	(Dollars in thousands)
Raw materials and purchased parts for assembly	$	11,486	$	5,429
Self-manufactured assembly parts and finished products		7,083		6,571
Total	$	18,569	$	12,000