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Note 2 - Revenue (Tables)
6 Months Ended
Jun. 30, 2025
Notes Tables  
Revenue from External Customers by Products and Services [Table Text Block]
  

Three Months Ended June 30,

  

Six Months Ended June 30,

 
  

2025

  

2024

  

2025

  

2024

 

Product sales

 $9,596  $10,218  $20,128  $20,849 

Administrative fees, freight and other

  262   318   539   719 

Less: sales returns

  (45)  (61)  (117)  (142)

Total net sales

 $9,813  $10,475  $20,550  $21,426