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Inventories (Tables)
6 Months Ended
Jun. 30, 2025
Inventories [Abstract]  
Inventories
Inventories consist of the following (in thousands):
   
June 30, 2025
   
December 31, 2024
 
Raw materials and work-in-process
 
$
3,173
   
$
2,041
 
Finished goods
   
63
     
205
 
   
$
3,236
   
$
2,246