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Note 5 - Inventory (Tables)
6 Months Ended
Jun. 30, 2023
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

June 30,

  

December 31,

 
  

2023

  

2022

 

Raw materials and supplies

 $1,046  $1,273 

Finished goods

  3,060   2,663 

Less: Reserve for excess and obsolete inventory

  (446

)

  (499

)

Total inventory, net

 $3,660  $3,437