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Other Current Assets
 9 Months Ended
Jan. 31, 2024
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Other Current Assets

(5) Other Current Assets

 

Other current assets consisted of the following at January 31, 2024 and April 30, 2023:

 

   January 31, 2024   April 30, 2023 
   (in thousands) 

Proceeds receivable from sale of New Jersey net operating loss & tax credits

  $

1,234

   $

—

 

Prepaid inventory materials

   1,088    

58

 
Prepaid insurance   374    358 
Prepaid software & licenses   308    190 
Prepaid sales & marketing   138    122 
Prepaid project costs   617    46 
Prepaid expenses- other   168    220 
Total other current assets  $3,927   $994