Acquisitions - Unaudited Supplemental Pro Forma Data (Details) - USD ($)	3 Months Ended		9 Months Ended
	Apr. 30, 2020	Apr. 30, 2019	Apr. 30, 2020	Apr. 30, 2019
Business Combinations [Abstract]
Revenues	$ 498,676	$ 1,515,036	$ 2,077,764	$ 7,624,831
Cost of revenues	116,292	1,366,268	415,569	4,570,820
Gross profit	382,384	148,767	1,662,195	3,054,012
Operating expenses	3,956,738	9,387,355	14,343,559	19,607,676
Operating loss	(3,574,354)	9,238,587	(12,681,364)	(16,553,664)
Other income (expense)	(2,186,463)	(1,853,364)	(9,672,030)	11,028,865
Net loss	(5,760,817)	7,385,223	(22,353,394)	(5,524,800)
Comprehensive net loss	$ (5,609,420)	$ (9,944,144)	$ (21,666,893)	$ (4,546,148)