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Warranty Accrual (Tables)
3 Months Ended
Apr. 30, 2023
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, 2023 and 2022:
 Three Months Ended
4/30/20234/30/2022
(in thousands)
Beginning balance$600 $600 
Provision41 34 
Costs incurred(41)(34)
Ending balance$600 $600