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Note 7 - Inventories (Tables)
6 Months Ended
Jun. 30, 2022
Notes Tables  
Schedule of Inventory, Current [Table Text Block]

 

June 30, 2022

  

December 31, 2021

 

Raw materials

 $36,596  $29,469 

Work in process and sub-assemblies

  50,446   41,528 

Finished goods

  11,139   21,519 

Total inventories

 $98,181  $92,516