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Schedule of Other Current Assets (Details) - USD ($)
$ in Thousands
Jan. 31, 2023
Apr. 30, 2022
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]    
Prepaid insurance $ 424 $ 182
Prepaid software & licenses 135 127
Prepaid project costs 26
Prepaid sales & marketing 161 50
Employee retention credit receivable 997
Interest receivable 119
Other receivables 72 24
Prepaid expenses- other 63 84
Total other current assets $ 1,997 $ 467