Note 7 - Inventories (Tables)

3 Months Ended

Jun. 30, 2016

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	June 30,		March 31,
	2016		2016
	(unaudited)
Raw materials	$	18,252	$	18,269
Work in process		40,285		41,549
Finished goods		27,119		29,786
Total	$	85,656	$	89,604