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Other Current Assets (Tables)
 9 Months Ended
Jan. 31, 2023
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Schedule of Other Current Assets

Other current assets consisted of the following at January 31, 2023 and April 30, 2022:

 

   January 31,
2023		   April 30,
2022		 
   (in thousands) 
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