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Note 3 - Inventories (Tables)
9 Months Ended
Sep. 30, 2024
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   

September 30,

   

December 31,

 

(in thousands)

 

2024

   

2023

 
                 

Raw material and common parts

  $ 7,964     $ 7,828  

Work-in-process

    7,499       6,466  

Finished goods

    680       531  
      16,143       14,825  

Less inventory reserve

    (735 )     (627 )

Total inventories

  $ 15,408     $ 14,198