Convertible Notes Payable (Details 2)	6 Months Ended
	Jan. 31, 2021
Expected dividend yield	0.00%
Minimum [Member]
Expected stock price volatility	83.28%
Risk-free interest rate	0.09%
Expected term	4 days
Maximum [Member]
Expected stock price volatility	281.84%
Risk-free interest rate	2.67%
Expected term	10 years