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Intangible Assets
 6 Months Ended
Oct. 31, 2025
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets

(7) Intangible Assets

 

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

 

   October 31, 2025   April 30, 2025 
   (in thousands) 
Patents  $2,729   $2,729 
Trademarks   2,769    2,769 
Intangible assets, gross   5,498    5,498 
Accumulated amortization   (2,075)   (2,008)
Intangible assets, net  $3,423   $3,490 

 

Amortization expense was approximately $66,000 and $66,000 for the six-month periods ended October 31, 2025 and 2024, respectively. Amortization expense was approximately $32,000 and $33,000 for the three-month periods ended October 31, 2025 and 2024, respectively.