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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
 12 Months Ended
Oct. 31, 2020
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]  
Inventories

Inventories are stated at the lower of cost, determined under the first-in, first-out (“FIFO”) method, or net realizable value. Presented below are the components of inventory at the balance sheet dates:

  
October 31
2020
    
October 31
2019
  
             
Raw materials
  
$
56,389
    
$
46,027
  
Work in process
    
767
      
2,122
  
Finished goods
    
113
      
6
  
   
$
57,269
    
$
48,155