Condensed Consolidated Statements of Stockholders' Equity (Unaudited) (Parenthetical) - USD ($) |
1 Months Ended | 3 Months Ended | 9 Months Ended | ||||
|---|---|---|---|---|---|---|---|
Feb. 29, 2020 |
Dec. 31, 2018 |
Oct. 31, 2018 |
Apr. 30, 2020 |
Apr. 30, 2019 |
Apr. 30, 2020 |
Apr. 30, 2019 |
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| Statement of Stockholders' Equity [Abstract] | |||||||
| Payments of issuance cost | $ 1,954,678 | $ 304,916 | $ 573,189 | $ 80,575 | $ 80,575 | ||
| Declared dividends | $ 0.00 | $ 0.00 | $ 0.00 | $ 0.00 | |||
| X | ||||||||||
- Definition The cash outflow for cost incurred directly with the issuance of an equity security. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Aggregate dividends declared during the period for each share of preferred stock outstanding. No definition available.
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| X | ||||||||||
- References No definition available.
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