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Note 5 - Inventory (Tables)
3 Months Ended
Mar. 31, 2023
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

March 31,

  

December 31,

 
  

2023

  

2022

 

Raw materials and supplies

 $1,080  $1,273 

Finished goods

  3,205   2,663 

Less: Reserve for excess and obsolete inventory

  (488

)

  (499

)

Total inventory, net

 $3,797  $3,437