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Note 8 - 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

 $25,184  $22,184 

Work in process

  9,388   4,205 

Finished goods

  8,723   7,047 

Total inventory

 $43,295  $33,436