Inventories, net (Tables)

12 Months Ended

Mar. 31, 2013

Inventories, net

Schedule of components of inventory

Inventories consist of the following as of March 31, 2013 and 2012:

	2013		2012
	(in thousands)
Raw materials	$	932	$	344
Work in process	330		253
Finished goods(1)	2,164		2,722
Supplies	262		229
	$	3,688	$	3,548

(1) Net of reserve for obsolescence of $9,000 and $41,000 at March 31, 2013 and 2012, respectively.