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Note 8 - Intangible Assets - Future Estimated Amortization Expense (Details) - USD ($)
$ in Thousands
Oct. 31, 2022
Jan. 31, 2022
Total $ 5,193 $ 6,018
Intangibles Excluding Technology Development Projects Not Yet Completed [Member]    
2023 274  
2024 955  
2025 725  
2026 634  
2027 333  
Thereafter 1,349  
Total $ 4,270