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Stockholders Equity (Details) - 2017 Plan [Member] - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jul. 31, 2023
Jul. 31, 2022
Jul. 31, 2023
Jul. 31, 2022
Total restricted stock and stock option programs $ 38 $ 384 $ 445 $ 790
Total income tax benefit recognized for stock-based compensation arrangements $ 8 $ 81 $ 94 $ 166