Note 3 - Inventories (Tables)

9 Months Ended

Sep. 30, 2018

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	September 30,		December 31,
	2018		2017
	(Dollars in thousands)
Raw materials and purchased parts for assembly	$	26,604	$	12,007
Self-manufactured assembly parts and finished products		10,838		7,544
Total	$	37,442	$	19,551