Note 5. Accrued Expenses (Tables)

12 Months Ended

Mar. 31, 2013

Accounts Payable and Accrued Liabilities Disclosure [Abstract]

Schedule of Accrued Liabilities [Table Text Block]

	March 31,
	2013		2012
Warranty reserve	$	280	$	303
Accrued accounting fees		100		124
Accrued other		75		128
Accrued travel expenses		72		28
Interest payable—related party		70		158
Accrued accounts payable		63		137
Accrued legal fees		41		34
Sales tax payable		27		32
Accrued expenses	$	728	$	944