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Intangible Assets (Tables)
12 Months Ended
Dec. 31, 2023
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Finite Lived Intangible Assets

Intangible assets consisted of the following (in thousands):

 

December 31, 2023

 

   Cost   Accumulated Amortization   Net 
Patents  $87   $78   $9 

 

December 31, 2022

 

   Cost   Accumulated Amortization   Net 
Patents  $565   $446   $119