Acquisitions - Unaudited Supplemental Pro Forma Data (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jan. 31, 2020	Jan. 31, 2019	Jan. 31, 2020	Jan. 31, 2019
Business Combinations [Abstract]
Revenues	$ 857,427	$ 3,968,796	$ 1,579,088	$ 6,109,796
Cost of revenues	165,659	2,217,142	299,277	3,204,551
Gross profit	691,768	1,751,654	1,279,811	2,905,245
Operating expenses	4,707,483	7,590,467	9,844,237	10,220,321
Operating loss	5,399,251	9,342,121	8,564,426	(7,315,077)
Other income (expense)	(3,363,518)	(6,507,715)	(8,127,354)	12,882,229
Net loss	(8,762,769)	(15,849,836)	(16,691,780)	5,566,152
Comprehensive net loss	$ (6,667,662)	$ (12,515,686)	$ (15,980,209)	$ 5,397,996