Warranty Accrual (Tables)

9 Months Ended

Oct. 31, 2018

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, 2018 and 2017.

	Three Months Ended						Nine Months Ended
	10/31/2018			10/31/2017			10/31/2018			10/31/2017
	(In thousands)
Beginning balance	$	925		$	1,000		$	925		$	1,000
Provision	77			173			219			355
Costs incurred	(77		)	(173		)	(219		)	(355		)
Ending balance	$	925		$	1,000		$	925		$	1,000