Warranty Accrual (Tables)

9 Months Ended

Oct. 31, 2016

Product Warranties Disclosures [Abstract]

Schedule of Product Warranty Liability

The following is a summary of the Company’s warranty-claim activity for the three months and nine months ended October 31, 2016 and 2015.

	Three Months Ended						Nine Months Ended
	10/31/2016			10/31/2015			10/31/2016			10/31/2015
	(In thousands)
Beginning balance	$	1,000		$	1,000		$	1,000		$	950
Provision	155			89			331			332
Costs incurred	(155		)	(89		)	(331		)	(282		)
Ending balance	$	1,000		$	1,000		$	1,000		$	1,000