Note 3 - Inventories (Tables)

9 Months Ended

Sep. 30, 2014

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

Inventories consist of the following:
	September 30, 2014		December 31, 2013
	(Dollars in thousands)
Raw materials and purchased parts for assembly	$	10,412	$	6,326
Self-manufactured assembly parts and finished products		6,925		15,963
Total	$	17,337	$	22,289