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v3.23.1

Warranty (Details) - USD ($) | 12 Months Ended
--- | ---
Jan. 31, 2023 | Jan. 31, 2022
Warranty claim activity |  |
Beginning accrued warranty balance | $ 600,000 | $ 700,000
Provision | 350,000 | 370,000
Benefits from prior years | (140,000) | (340,000)
Costs incurred | (210,000) | (130,000)
Ending accrued warranty balance | 600,000 | 600,000
Less current portion | (250,000) | (250,000)
Non-current portion | $ 350,000 | $ 350,000
Maximum |  |
Warranty [Line Items] |  |
Product warranty period | 10 years |

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