Inventories (Tables)

6 Months Ended

Sep. 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)	September 30, 2013		March 31, 2013
Raw materials	$	8,302	$	6,252
Finished goods and sub-assemblies	9,368		5,971
Total inventories	$	17,670	$	12,223