Note 9 - Commitments and Contingencies (Tables)

9 Months Ended

Oct. 31, 2015

Notes Tables

Schedule of Product Warranty Liability [Table Text Block]

Three Months Ended	Balance Beginning of Period		Additions and Adjustments		Deductions			Balance End of Period
October 31, 2015	$	874	$	321	$	(212	)	$	983
November 1, 2014	$	640	$	342	$	(128	)	$	854

Nine Months Ended	Balance Beginning of Period		Additions and Adjustments		Deductions			Balance End of Period
October 31, 2015	$	864	$	610	$	(491	)	$	983
November 1, 2014	$	620	$	584	$	(350	)	$	854