Warranty Accrual (Tables)

9 Months Ended

Oct. 31, 2017

Product Warranties Disclosures [Abstract]

Schedule of Product Warranty Liability

The following is a summary of the Company’s warranty-claim activity for the three and nine months ended October 31, 2017 and 2016.

	Three Months Ended						Nine Months Ended
	10/31/2017			10/31/2016			10/31/2017			10/31/2016
	(In thousands)
Beginning balance	$	1,000		$	1,000		$	1,000		$	1,000
Provision	173			155			355			331
Costs incurred	(173		)	(155		)	(355		)	(331		)
Ending balance	$	1,000		$	1,000		$	1,000		$	1,000