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

Three Months Ended September 30,

  

Nine Months Ended September 30,

 
  

2025

  

2024

  

2025

  

2024

 

Product sales

 $9,314  $10,412  $29,442  $31,261 

Administrative fees, freight and other

  265   373   804   1,092 

Less: sales returns

  (102)  (94)  (219)  (236)

Total net sales

 $9,477  $10,691  $30,027  $32,117