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Note 5 - Inventories (Tables)
6 Months Ended
Jun. 30, 2022
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

June 30,

  

December 31,

 
  

2022

  

2021

 

Raw materials

 $16,766  $16,881 

Work-in-process

  14,170   11,442 

Finished goods

  24,583   26,731 

Total

 $55,519  $55,054 
         

Inventories

 $35,336  $36,010 

Other long-term assets

  20,183   19,044 

Total

 $55,519  $55,054