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Note 2 - Revenue (Tables)
9 Months Ended
Sep. 30, 2024
Notes Tables  
Revenue from External Customers by Products and Services [Table Text Block]
  

Three Months Ended September 30,

  

Nine Months Ended September 30,

 
  

2024

  

2023

  

2024

  

2023

 

Product sales

 $10,412  $10,303  $31,261  $31,505 

Administrative fees, freight and other

  373   373   1,092   1,628 

Less: sales returns

  (94)  (61)  (236)  (146)

Total net sales

 $10,691  $10,615  $32,117  $32,987