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Schedule of Accrued Expenses (Details) - USD ($)
$ in Thousands
Apr. 30, 2024
Apr. 30, 2023
Payables and Accruals [Abstract]    
Employee incentive payments $ 1,271 $ 1,948
Accrued salary and benefits 369 52
Project costs 181
Other 147 165
Accrued expenses total $ 1,787 $ 2,346