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Schedule of Right-of use Assets and Lease Liabilities (Details) - USD ($)
$ in Thousands
Apr. 30, 2023
Apr. 30, 2022
Leases    
Operating right-of-use assets, net $ 1,751 $ 752
Right-of-use liabilities- current 529 319
Right-of-use liabilities- long term 1,311 $ 538
Total lease liabilities $ 1,840  
Weighted average remaining lease term- operating leases 4 years 1 month 20 days  
Weighted average discount rate- operating leases 8.50%