XML 29 R20.htm IDEA: XBRL DOCUMENT v3.21.2
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Detail Narrative) - shares
9 Months Ended
Apr. 30, 2021
Apr. 30, 2020
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES    
Antidilutive securities excluded from computation of earnings per share, amount 28,000,000 25,000,000