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Intangible Assets
 12 Months Ended
Apr. 30, 2024
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets

(7) Intangible Assets

 

The components of intangible assets, net as of April 30, 2024 and 2023 consisted of the following:

 

   April 30, 2024   April 30, 2023 
   (in thousands) 
Patents  $2,729   $2,729 
Trademarks   2,769    2,769 
Tradename   —    130 
Customer Relationships   —    150 
Intangible assets, gross   5,498    5,778 
Accumulated amortization   (1,876)   (1,800)
Intangible assets, net  $3,622   $3,978 

 

Amortization expense was approximately $148,000 and $158,000 for the years ended April 30, 2024 and 2023, respectively. Trademarks are not subject to amortization.

 

Additionally, in connection with the sale of 3Dent in November of 2023, the trade-name and customer relationships were both expensed fully during the fiscal year ended April 30, 2024 under Loss on disposition of assets on the Consolidated Statements of Operations.