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Goodwill and Intangible Assets - Narrative (Details) - USD ($)
12 Months Ended
Jul. 31, 2020
Oct. 31, 2020
Oct. 31, 2019
Oct. 31, 2018
Goodwill [Line Items]        
Goodwill impairment losses $ 0 $ 0 $ 0 $ 0
Goodwill   1,535,000 1,839,000 1,431,000
Amortization expense   999,000 $ 689,000 $ 84,000
Fresh Lemons        
Goodwill [Line Items]        
Goodwill   965,000    
Lemon Packing        
Goodwill [Line Items]        
Goodwill   $ 570,000