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Schedule of Right-of Use Assets and Lease Liabilities (Details) - USD ($) $ in Thousands | Jul. 31, 2022 | Apr. 30, 2022
--- | --- | ---
Leases |  |
Operating right-of-use asset, net | $ 677 | $ 752
Right-of-use liability- current | 328 | 319
Right-of-use liability- long term | 446 | $ 538
Total lease liability | $ 774 |
Weighted average remaining lease term- operating leases | 2 years 1 month 24 days |
Weighted average discount rate- operating leases | 8.30% |

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