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Leases - ROU Assets and Lease Liabilities (Details) - USD ($)
$ in Thousands
Jan. 31, 2024
Apr. 30, 2023
Leases [Abstract]    
Operating lease right-of-use assets, net $ 6,536 $ 7,318
Current portion of operating lease liabilities 1,305 1,208
Non-current portion of operating lease liabilities $ 6,437 $ 7,391