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Schedule of Cash and Cash Equivalents and Restricted Cash (Details) - USD ($)
$ in Thousands
Apr. 30, 2024
Apr. 30, 2023
Accounting Policies [Abstract]    
Cash and cash equivalents $ 3,151 $ 6,883
Restricted cash- short term 65
Restricted cash- long term 154 155
Cash, cash equivalents, restricted cash and restricted cash equivalents $ 3,305 $ 7,103