Note 3. Inventories (Tables)

6 Months Ended

Sep. 30, 2012

Schedule of Inventory, Current [Table Text Block]

	September 30, 2012		March 31, 2012
Raw materials	$	3,563	$	3,271
Work in process		291		432
Finished goods		777		267
Inventories, net	$	4,631	$	3,970