XML 32 R21.htm IDEA: XBRL DOCUMENT v3.21.2
Schedule of Anti dilutive Securities Excluded from Computation of Earnings Per Share (Details) - shares
3 Months Ended
Oct. 31, 2021
Oct. 31, 2020
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Total 8,904,390 11,773,140
Common Stock Option [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Total 7,214,125 9,432,875
Restricted Stock Units (RSUs) [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Total 1,362,500 2,012,500
Warrant [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Total 327,765 327,765