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Business Acquisition - Additional Information (Details) - USD ($)
12 Months Ended
Mar. 15, 2019
Oct. 31, 2019
Oct. 31, 2018
Revenues   $ 55,325,000 $ 50,196,000
C Enterprises Inc [Member]      
Payments to Acquire Businesses, Gross $ 600,000    
Revenues   $ 7,200,000  
Selling And General Expenses [Member] | C Enterprises Inc [Member]      
Business Combination, Acquisition Related Costs $ 100,000