Note 7 - Inventories (Tables)

9 Months Ended

Dec. 31, 2016

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	December 31,		March 31,
	2016		2016
	(unaudited)
Raw materials	$	18,952	$	18,269
Work in process		42,476		41,549
Finished goods		25,690		29,786
Total	$	87,118	$	89,604