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Intangible Assets (Tables)
3 Months Ended
Jul. 31, 2023
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Components of Intangible Assets

The components of intangible assets, net as of July 31, 2023 and April 30, 2023 consisted of the following:

 

   July 31, 2023   April 30, 2023 
   (in thousands) 
Patents  $2,729   $2,729 
Trademarks   2,769    2,769 
Tradename   130    130 
Customer Relationships   150    150 
Intangible assets, gross   5,778    5,778 
Accumulated amortization   (1,840)   (1,800)
Intangible assets, net  $3,938   $3,978