Note 2 - Inventories (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Finished goods	$ 10,487	$ 16,981
Work in process	22,361	16,698
Raw materials and purchased components	39,722	41,072
Reserve for slow-moving inventory	(2,627)	(3,588)
Total inventories	$ 69,943	$ 71,163