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Trade Accounts Receivable - Trade Receivables (Details) - USD ($) $ in Thousands | Jan. 31, 2022 | Jan. 31, 2021 | Jan. 31, 2020
--- | --- | --- | ---
Trade accounts receivable | $ 43,565 | $ 39,536 |
Less: Provision for credit losses | (1,860) | (2,330) | $ (2,003)
Accounts Receivable, after Allowance for Credit Loss, Current, Total | $ 41,705 | $ 37,206 |

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