XML 52 R34.htm IDEA: XBRL DOCUMENT v3.21.4
Note 11 - Revenue Recognition (Tables)
12 Months Ended
Oct. 31, 2021
Notes Tables  
Revenue from External Customers by Geographic Areas [Table Text Block]
  

Years ended October 31,

 
  

2021

  

2020

  

2019

 

United States

 $48,537,091  $44,661,958  $58,207,966 

Outside the United States

  10,599,203   10,615,442   13,116,480 

Total net sales

 $59,136,294  $55,277,400  $71,324,446