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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
12 Months Ended
Oct. 31, 2021
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. The components of inventory at the balance sheet dates are presented below.

 
October 31,
2021
   
October 31,
2020
 
             
Raw materials
 
$
54,019
   
$
56,389
 
Work in process
    1,121      
767
 
Finished goods
    109       113  
   
$
55,249
   
$
57,269