Acquisitions - Intangible assets (Details) - USD ($)	1 Months Ended	12 Months Ended
	Nov. 27, 2019	Jul. 31, 2020	Nov. 27, 2018
Developed Software/Technology [Member]
Average Estimated Life		5 years
Noncompete Agreements [Member]
Average Estimated Life		3 years
Olaregen
Total			$ 4,770,000
Olaregen | Developed Software/Technology [Member]
Total			3,980,000
Olaregen | Noncompete Agreements [Member]
Total			$ 790,000
Average Estimated Life	3 years