Business Acquisitions (Details 3) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Jul. 31, 2019	Jul. 31, 2018
Business Combinations [Abstract]
Revenue	$ 6,040	$ 5,674
Loss from operations	(2,361)	(8,705)
Net Income (loss)	$ (4,648)	$ (3,031)
Earnings (loss) per common shares outstanding - Basic and Diluted	$ (0.27)	$ (0.34)