Note 6 - Inventories (Tables)

3 Months Ended

Jun. 30, 2015

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	June 30,		March 31,
	2015		2015
	(unaudited)
Raw materials	$	16,571	$	17,169
Work in process		37,408		37,491
Finished goods		29,083		27,345
Total	$	83,062	$	82,005