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Note 5 - Inventories (Tables)
12 Months Ended
Dec. 31, 2020
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

December 31,

 
  

2020

  

2019

 

Raw materials

 $14,852  $12,058 

Work-in-process

  12,811   8,330 

Finished goods

  33,347   8,777 

Total

 $61,010  $29,165 
         

Inventories

 $46,209  $21,995 

Other long-term assets

  14,801   7,170