Note 7 - Inventories (Tables)

6 Months Ended

Sep. 30, 2016

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	September 30,		March 31,
	2016		2016
	(unaudited)
Raw materials	$	19,348	$	18,269
Work in process		43,234		41,549
Finished goods		27,114		29,786
Total	$	89,696	$	89,604