INVENTORIES (Tables)

6 Months Ended

Sep. 30, 2013

INVENTORIES

Schedule of components of inventory

	September 30, 2013		March 31, 2013
	(in thousands)
Raw materials	$	784	$	932
Work in process	330		330
Finished goods(1)	3,085		2,164
Supplies	281		262
	$	4,480	$	3,688

(1) Net of reserve for obsolescence of $6,000 and $9,000 at September 30, 2013 and March 31, 2013, respectively.