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Note 11 - Revenue Recognition (Tables)
9 Months Ended
Jul. 31, 2024
Notes Tables  
Revenue from External Customers by Geographic Areas [Table Text Block]
   

Three months ended

   

Nine months ended

 
   

July 31,

   

July 31,

 
   

2024

   

2023

   

2024

   

2023

 

United States

  $ 13,077,203     $ 14,220,273     $ 38,071,069     $ 44,627,575  

Outside the United States

    3,144,468       2,721,105       9,117,465       10,217,014  

Total net sales

  $ 16,221,671     $ 16,941,378     $ 47,188,534     $ 54,844,589