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Note 11 - Financial Information About Geographic Areas (Tables)
9 Months Ended
Sep. 30, 2024
Notes Tables  
Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]
   

For the Three Months Ended

   

For the Nine Months Ended

 
   

September 30,

   

September 30,

 
   

2024

   

2023

   

2024

   

2023

 

Net sales by geographic region

                               

United States

  $ 14,124,000     $ 15,928,000     $ 43,551,000     $ 45,682,000  

International

    127,000       125,000       472,000       285,000  
                                 

Consolidated net sales

  $ 14,251,000     $ 16,053,000     $ 44,023,000     $ 45,967,000  
   

September 30,

   

December 31,

 
   

2024

   

2023

 

Long-lived assets by geographic region

               

United States

  $ 6,062,000     $ 4,340,000  

International

    1,154,000       1,247,000  
                 

Consolidated total long-lived assets

  $ 7,216,000     $ 5,587,000