XML 22 R25.htm IDEA: XBRL DOCUMENT v3.20.1
Summary of Significant Accounting Policies - Summary of Contract Assets and Liabilities (Details) - USD ($)
Jan. 31, 2020
Oct. 31, 2019
Accounting Policies [Abstract]    
Accounts receivable $ 2,885,865 $ 2,643,352
Short term contract liabilities $ 106,829 $ 36,615