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Condensed Consolidated Statements of Cash Flows (Parenthetical) - USD ($)
Apr. 30, 2019
Oct. 31, 2018
Apr. 30, 2018
Oct. 31, 2017
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Abstract]        
Cash - Balance Sheet $ 8,260,821 $ 14,901,091 $ 13,662,916  
Restricted cash - Balance Sheet 399,875   1,355,872  
Cash and Restricted Cash $ 8,660,696 $ 14,901,091 $ 15,018,788 $ 21,733,611