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Note 8 - Goodwill and Intangible Assets - Future Amortization of Intangible Assets (Details) - USD ($)
$ in Thousands
Jan. 31, 2021
Jan. 31, 2020
2022 $ 605  
2023 608  
2024 495  
2025 339  
Thereafter 311  
Net amortizable intangible assets $ 2,358 $ 985