Consolidated Statements of Stockholders' Equity (Parenthetical) - USD ($) |
1 Months Ended | 12 Months Ended | |||||
|---|---|---|---|---|---|---|---|
May 24, 2019 |
Dec. 06, 2018 |
Oct. 08, 2018 |
Oct. 25, 2017 |
Feb. 28, 2018 |
Jul. 31, 2019 |
Jul. 31, 2018 |
|
| Statement of Stockholders' Equity [Abstract] | |||||||
| Payment of finance and offering costs | $ 1,025,655 | $ 304,916 | $ 573,189 | $ 901,137 | $ 2,249,169 | $ 80,575 | $ 299,963 |
| X | ||||||||||
- Definition Payment of finance and offering costs. No definition available.
|
| X | ||||||||||
- References No definition available.
|