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Other Current Assets
 12 Months Ended
Apr. 30, 2023
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Other Current Assets

(5) Other Current Assets

 

Other current assets consist of the following at April 30, 2023 and 2022:

  

   April 30, 2023   April 30, 2022 
   (in thousands) 
Prepaid insurance  $358   $182 
Prepaid software & licenses   190    127 
Prepaid registrations and memberships   122    — 
Prepaid expenses- other   324    158 
Total other current assets  $994   $467