Inventories (Tables)

3 Months Ended

Jun. 30, 2013

Inventories are stated at the lower of first-in, first-out cost or market value. The components of inventories are as follows:



(in thousands)	June 30, 2013			March 31, 2013
Raw materials	$	7,970		$	7,021
Finished goods and sub-assemblies	11,543			7,234
Reserve for excess and obsolete inventory and net realizable value	(2,410		)	(2,032		)
Total inventories	$	17,103		$	12,223