Inventories (Tables)

9 Months Ended

Dec. 31, 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)	December 31, 2013		March 31, 2013
Raw materials	$	9,347	$	6,252
Finished goods and sub-assemblies	11,197		5,971
Total inventories	$	20,544	$	12,223