XML 41 R31.htm IDEA: XBRL DOCUMENT v3.21.1
Warranty Accrual (Tables)
3 Months Ended
Apr. 30, 2021
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, 2021 and 2020:
 Three Months Ended
4/30/20214/30/2020
(in thousands)
Beginning balance$700 $800 
Provision43 60 
Costs incurred(43)(60)
Ending balance$700 $800