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v3.22.2.2

Warranty (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Oct. 31, 2022 | Oct. 31, 2021 | Oct. 31, 2022 | Oct. 31, 2021
Warranty claim activity |  |  |  |
Beginning balance | $ 650 | $ 700 | $ 600 | $ 700
Provision | 106 | 28 | 256 | 84
Costs incurred | (56) | (28) | (156) | (84)
Ending balance | $ 700 | $ 700 | $ 700 | $ 700
Maximum [Member] |  |  |  |
Warranty [Line Items] |  |  |  |
Product warranty period |  |  | 10 years |

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