Note 6 - Inventories (Tables)

6 Months Ended

Sep. 30, 2015

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	September 30,		March 31,
	2015		2015
	(unaudited)
Raw materials	$	16,294	$	17,169
Work in process		40,160		37,491
Finished goods		29,908		27,345
Total	$	86,362	$	82,005