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Leases - Maturities of operating lease liabilities (Details) - USD ($)
$ in Thousands
Jan. 31, 2023
Jan. 31, 2022
Leases    
2024 $ 3,569  
2025 2,498  
2026 994  
2027 347  
2028 120  
2029 and thereafter 59  
Total lease payments 7,587  
Less: imputed interest (267)  
Total lease obligations 7,320  
Current 3,397 $ 4,029
Long-term $ 3,923 $ 7,382