Note 3 - Inventories (Tables)

6 Months Ended

Jun. 30, 2016

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	June 30,		December 31,
	2016		2015
	(Dollars in thousands)
Raw materials and purchased parts for assembly	$	6,013	$	8,819
Self-manufactured assembly parts and finished products		10,677		9,255
Total	$	16,690	$	18,074