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Note 4 - Inventories, Net (Tables)
6 Months Ended
Jun. 30, 2022
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

June 30,

  

December 31,

 
  

2022

  

2021

 

Finished goods

 $1,254  $1,027 

Work in process

  -   2 

Raw materials

  779   537 

Inventories, net

 $2,033  $1,566