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Note 4 - Property and Equipment, Net (Tables)
12 Months Ended
Oct. 31, 2024
Notes Tables  
Property, Plant and Equipment [Table Text Block]
   

October 31,

 
   

2024

   

2023

 

Land and land improvements

  $ 3,148,834     $ 3,148,834  

Buildings and improvements

    8,305,039       8,305,039  

Machinery and equipment

    26,032,752       26,185,346  

Furniture and fixtures

    902,012       902,012  

Construction in progress

    162,288       199,772  

Total property and equipment, at cost

    38,550,925       38,741,003  

Less accumulated amortization and depreciation

    (31,669,568 )     (31,601,387 )

Property and equipment, net

  $ 6,881,357     $ 7,139,616