Note 7 - Inventories (Tables)

9 Months Ended

Dec. 31, 2015

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	December 31,		March 31,
	2015		2015
	(unaudited)
Raw materials	$	18,253	$	17,169
Work in process		40,986		37,491
Finished goods		30,425		27,345
Total	$	89,664	$	82,005