Note 9 - Warranty Arrangements (Tables)

9 Months Ended

Oct. 31, 2012

Schedule of Product Warranty Liability [Table Text Block]

	As of and for the Nine Months Ended October 31,
	2012			2011
Beginning balance	$	193		$	310
Accruals for warranties issued during the period		—			318
Utilization		(125	)		(548	)
	$	68		$	80