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Note 19 - Related Party Transactions (Tables)
12 Months Ended
Dec. 31, 2022
Notes Tables  
Schedule of Related Party Transactions [Table Text Block]
  

For the Years Ended December 31,

 
  

2022

  

2021

 

Related party revenue:

        

NeutroPhase

 $976  $368 

Total related party revenue

 $976  $368 
         

Cost of goods sold

        

NeutroPhase

 $954  $325 

Total related party expenses

 $954  $325