Investment Securities - Marketable Securities (Details)	6 Months Ended
	Jan. 31, 2020 USD ($) shares
Entest Group, Inc. | Common Stock
Shares held | shares	66,667
Investment Securities, Basis	$ 1,133
Investment Securities, Fair Value	480
Change in Fair Value	(946)
Change in Fair Value From Inception	$ (652)
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	2,907
Change in Fair Value	(20,353)
Change in Fair Value From Inception	$ (14,538)
Regen Biopharma, Inc. | Series A Preferred
Shares held | shares	290,766
Investment Securities, Basis	$ 29,076
Investment Securities, Fair Value	9,595
Change in Fair Value	1,454
Change in Fair Value From Inception	$ (19,480)
Zander Therapeutics, Inc. | Common Stock
Shares held | shares	4,411
Investment Securities, Basis	$ 254
Investment Securities, Fair Value	0
Change in Fair Value	(71)
Change in Fair Value From Inception	$ (254)
Zander Therapeutics, Inc. | Series M Preferred
Shares held | shares	5,000
Investment Securities, Basis	$ 289
Investment Securities, Fair Value	0
Change in Fair Value	(80)
Change in Fair Value From Inception	$ (289)