Note 6 - Inventories

6 Months Ended

Sep. 30, 2015

Notes to Financial Statements

Inventory Disclosure [Text Block]

6. Inventories

Inventories consist of the following (in thousands):

	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