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Equipment and Leasehold Improvements (Tables)
12 Months Ended
Dec. 31, 2024
Property, Plant and Equipment [Abstract]  
Equipment and leasehold improvements consist of the following

Equipment and leasehold improvements consist of the following

 

   As of December 31, 
   2024   2023 
Machinery and equipment  $23,551   $23,339 
Office equipment   1,014    1,014 
Office furniture   126    126 
Leasehold improvements   5,153    5,157 
Construction in progress   5,706    931 
    35,550    30,567 
Less: Accumulated depreciation and amortization   (22,816)   (21,899)
   $12,734   $8,668