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Intangible Assets (Tables)
9 Months Ended
Jan. 31, 2025
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Components of Intangible Assets

The components of intangible assets, net as of January 31, 2025 and April 30, 2024 consisted of the following:

 

   January 31, 2025   April 30, 2024 
   (in thousands) 
Patents  $2,729   $2,729 
Trademarks   2,769    2,769 
Intangible assets, gross   5,498    5,498 
Accumulated amortization   (1,975)   (1,876)
Intangible assets, net  $3,523   $3,622