Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Stockholders' Equity (Unaudited) (Parenthetical)

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Condensed Consolidated Statements of Stockholders' Equity (Unaudited) (Parenthetical) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended
Dec. 31, 2018
Oct. 31, 2018
Jan. 31, 2020
Jan. 31, 2019
Jan. 31, 2020
Jan. 31, 2019
Statement of Stockholders' Equity [Abstract]            
Payment of finance and offering costs $ 304,916 $ 573,189        
Declared dividends     $ 0.00 $ 0.00 $ 0.00 $ 0.00