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Organization and Significant Accounting Policies - Accrued Sales Commission (Details) - USD ($)
$ in Thousands
Apr. 30, 2023
Apr. 30, 2022
Self-Insurance Liability    
Estimated self-insurance liability of employee medical claim $ 1,383 $ 1,653
Other current liabilities    
Accrued liabilities    
Accrued sales commission $ 3,011 $ 3,219