Inventories (Tables)

9 Months Ended

Dec. 31, 2014

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, 2014		March 31, 2014
Raw materials	$	7,518	$	9,076
Finished goods and sub-assemblies	15,391		14,980
Total inventories	$	22,909	$	24,056