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Note 2 - Revenue (Tables)
3 Months Ended
Mar. 31, 2026
Notes Tables  
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Table Text Block]
  

Three Months Ended March 31,

 
  

2026

  

2025

 

Product sales

 $9,020  $10,532 

Administrative fees, freight and other

  275   277 

Less: sales returns

  (89)  (72)

Total net sales

 $9,206  $10,737