Inventories (Tables)

12 Months Ended

Mar. 31, 2013

Inventory Disclosure [Abstract]

Schedule of Inventories

The components of inventories as of March 31, 2012 and 2013 are as follows:

	2012	2013
	$ in thousands	$ in thousands
Raw materials	1,477	1,904
Work in progress	1,512	2,487
Finished goods	1,116	1,069
	───────	───────
	4,105	5,460
	═══════	═══════