Investment Securities - Marketable Securities (Details)	3 Months Ended
	Oct. 31, 2019 USD ($) shares
Entest Group, Inc. | Common Stock
Shares held | shares	66,667
Investment Securities, Basis	$ 1,133
Investment Securities, Fair Value	1,426
Change in Fair Value	293
Change in Fair Value From Inception	$ 293
Entest Group, Inc. | Series B Preferred
Shares held | shares	8,333
Investment Securities, Basis	$ 0
Investment Securities, Fair Value	0
Change in Fair Value	0
Change in Fair Value From Inception	$ 0
Regen Biopharma, Inc. | Common Stock
Shares held | shares	29,076,665
Investment Securities, Basis	$ 17,446
Investment Securities, Fair Value	23,261
Change in Fair Value	5,815
Change in Fair Value From Inception	$ 5,815
Regen Biopharma, Inc. | Series A Preferred
Shares held | shares	290,766
Investment Securities, Basis	$ 29,076
Investment Securities, Fair Value	8,141
Change in Fair Value	(20,935)
Change in Fair Value From Inception	$ (20,935)
Zander Therapeutics, Inc. | Common Stock
Shares held | shares	4,411
Investment Securities, Basis	$ 254
Investment Securities, Fair Value	71
Change in Fair Value	(184)
Change in Fair Value From Inception	$ (184)
Zander Therapeutics, Inc. | Series M Preferred
Shares held | shares	5,000
Investment Securities, Basis	$ 289
Investment Securities, Fair Value	80
Change in Fair Value	(209)
Change in Fair Value From Inception	$ (209)