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Note 11 - Revenue Recognition (Tables)
12 Months Ended
Oct. 31, 2022
Notes Tables  
Revenue from External Customers by Geographic Areas [Table Text Block]
   

Years ended October 31,

 
   

2022

   

2021

   

2020

 

United States

  $ 58,415,280     $ 48,537,091     $ 44,661,958  

Outside the United States

    10,663,983       10,599,203       10,615,442  

Total net sales

  $ 69,079,263     $ 59,136,294     $ 55,277,400