Warranty Accrual (Tables)

3 Months Ended

Apr. 30, 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 ended April 30, 2018 and 2017.

	Three Months Ended
	4/30/2018			4/30/2017
	(In thousands)
Beginning balance	$	925		$	1,000
Provision	55			70
Costs incurred	(55		)	(70		)
Ending balance	$	925		$	1,000