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Concentrations and Geographic Information (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Apr. 30, 2020
Apr. 30, 2020
Apr. 30, 2019
Apr. 30, 2020
Apr. 30, 2019
Concentration Risk [Line Items]          
Revenues   $ 38,439 $ 40,823 $ 78,922 $ 81,623
Lemon | Supplier Concentration Risk          
Concentration Risk [Line Items]          
Concentration risk percentage   60.00% 59.00% 58.00% 59.00%
Chile | Lemons and Oranges          
Concentration Risk [Line Items]          
Revenues   $ 921 $ 907 $ 1,460 $ 1,545
Argentina | Lemons and Oranges          
Concentration Risk [Line Items]          
Revenues   $ 2,280   $ 2,479  
Inventories | Lemon | Supplier Concentration Risk          
Concentration Risk [Line Items]          
Concentration risk percentage 12.00%