Net (Loss) / Income Per Share (“EPS”) - Computation of diluted EPS (Details) - shares	12 Months Ended
	Jul. 31, 2019	Jul. 31, 2018
Accounting Policies [Abstract]
Weighted average number of common shares outstanding - Basic	48,360,127	1,068,100
Potentially dilutive common stock equivalents	5,157,374	1,523,028
Weighted average number of common and equivalent shares outstanding-Diluted	53,517,501	2,591,129