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Leases (Details 2) - USD ($)
$ in Thousands
Apr. 30, 2020
Jan. 31, 2020
Leases [Abstract]    
2021 $ 1,025  
2022 769  
2023 455  
2024 22  
2025 18  
Thereafter 112  
Total lease payments 2,401  
Less: interest (208)  
Present value of lease liability $ 2,193 $ 2,249