Note 3 - Inventories (Tables)

9 Months Ended

Sep. 30, 2017

Notes Tables

Schedule of Inventory, Current [Table Text Block]

(in thousands)	September 30 , 2017		December 31, 2 016
Raw materials	$	38,320	$	32,231
Work in process		28,477		23,354
Finished goods		69,708		58,478
Total	$	136,505	$	114,063