Quarterly report pursuant to Section 13 or 15(d)

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

v3.22.1
Condensed Consolidated Statements of Stockholders' Equity (Unaudited) (Parenthetical)
9 Months Ended
Apr. 30, 2021
USD ($)
$ / shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]  
Dividends declared | $ / shares $ 0.00
August 2020 [Member] | Registered Direct Offering [Member]  
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]  
Payments of issuance cost $ 1,464,276
January 2021 [Member] | Registered Direct Offering [Member]  
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]  
Payments of issuance cost $ 2,970,165