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Note 5 - Inventories (Tables)
3 Months Ended
Mar. 31, 2022
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

March 31,

  

December 31,

 
  

2022

  

2021

 

Raw materials

 $16,901  $16,881 

Work-in-process

  13,599   11,442 

Finished goods

  24,257   26,731 

Total

 $54,757  $55,054 
         

Inventories

 $35,225  $36,010 

Other long-term assets

  19,532   19,044 

Total

 $54,757  $55,054