Note 5 - Inventories (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

Schedule of Inventory, Current [Table Text Block]

(in thousands)	2016		2015
Raw materials	$	32,231	$	33,599
Work in process		23,354		16,479
Finished goods		58,478		48,551
Total	$	114,063	$	98,629