Note 9. Segment Information (Details) - Reconciliation To Loss Before Provision For Income Taxes (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Reconciliation To Loss Before Provision For Income Taxes [Abstract]
Operating loss	$ (2,389)	$ (2,304)
Interest expense, net	(41)	(194)
Debt cost expense		(144)
Other, net	(4)	(4)
Loss before provision for income taxes	$ (2,434)	$ (2,646)