Note 3. Segment Information (Details) - Reconciliation of Loss Before Provision for Income Taxes (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Reconciliation of Loss Before Provision for Income Taxes [Abstract]
Operating loss	$ (8,477)	$ (10,115)
Interest expense, net	(499)	(480)
Debt cost expense	(272)	(372)
Loss on extinguishment of debt	(1,244)
Other, net	(53)	(48)
Loss before provision for income taxes	$ (10,545)	$ (11,015)