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Note 16 - Related Party Transactions (Tables)
6 Months Ended
Jun. 30, 2023
Notes Tables  
Schedule of Related Party Transactions [Table Text Block]
  

Three Months Ended June 30,

  

Six Months Ended June 30,

 
  

2023

  

2022

  

2023

  

2022

 

Related party revenue:

                

NeutroPhase

 $1,043  $509  $1,043  $657 

Total related party revenue

 $1,043  $509  $1,043  $657 
                 

Cost of goods sold:

                

NeutroPhase

 $(895) $(514) $(895) $(648)

Total related party expenses

 $(895) $(514) $(895) $(648)