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Inventories (Details) - USD ($) $ in Thousands | Oct. 31, 2022 | Jan. 31, 2022 | Oct. 31, 2021
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Inventory Disclosure [Abstract] |  |  |
Finished goods | $ 24,173 | $ 16,731 | $ 14,053
Work in process | 18,829 | 14,732 | 14,299
Raw materials | 14,463 | 15,910 | 12,131
Total inventories | $ 57,465 | $ 47,373 | $ 40,483

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