Note 3. Inventories (Tables)

3 Months Ended

Jun. 30, 2013

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

	June 30, 2013		March 31, 2013
Raw materials	$	4,143	$	4,352
Work in process		531		427
Finished goods		562		379
Inventories, net	$	5,236	$	5,158