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Schedule of Right-of use Assets and Lease Liabilities (Details) - USD ($)
$ in Thousands
Jul. 31, 2023
Apr. 30, 2023
Leases    
Operating right-of-use asset, net $ 1,616 $ 1,751
Right-of-use liabilities- current 545 529
Right-of-use liabilities- long term 1,168 $ 1,311
Total lease liability $ 1,713  
Weighted average remaining lease term- operating leases 3 years 11 months 19 days  
Weighted average discount rate- operating leases 8.50%