Quarterly report pursuant to Section 13 or 15(d)

COMMON STOCK TRANSACTIONS (Details Narrative)

COMMON STOCK TRANSACTIONS (Details Narrative) - USD ($)			3 Months Ended		6 Months Ended		12 Months Ended
COMMON STOCK TRANSACTIONS (Details Narrative) - USD ($)	Aug. 19, 2021	Aug. 09, 2021	Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2021	Oct. 31, 2020	Apr. 30, 2020
Class of Stock [Line Items]
Proceeds from sale of equity	$ 70,000,000	$ 15,000,000
Exercise shares					2,500,000
Shelf Offering [Member]
Class of Stock [Line Items]
Stock issued new, shares						462,000
Proceeds from sale of equity						$ 4,700,000
Common Stock [Member] \| Four Nonemployee Members [Member] \| Director Letter Agreement [Member]
Class of Stock [Line Items]
Stock issued for compensation, shares							1,333
Stock based compensation expense			$ 0	$ 3,205	$ 0	$ 10,561
Unvested shares			0	0	0	0
Common Stock [Member] \| Officers [Member] \| Compensation Agrmt 2020 [Member]
Class of Stock [Line Items]
Stock issued for compensation, shares						4,400
Stock based compensation expense			$ 0	$ 67,320	$ 0	$ 134,640
Unvested shares			0	733	0	733
Common Stock [Member] \| Officers [Member] \| Compensation Agrmt 2021 [Member]
Class of Stock [Line Items]
Stock issued for compensation, shares					4,400
Stock based compensation expense			$ 11,055	$ 22,110	$ 11,055	$ 22,110
Unvested shares			733		733
Common Stock [Member] \| Nonemployee Members [Member] \| Director Letter Agreement [Member]
Class of Stock [Line Items]
Stock issued for compensation, shares						1,334
Stock based compensation expense			$ 971	$ 9,419	$ 4,342	$ 16,448
Unvested shares			0	0	0	0
Common Stock [Member] \| Four Consultants [Member] \| Consulting Agreements [Member]
Class of Stock [Line Items]
Stock issued for compensation, shares						667
Stock based compensation expense			$ 0	$ 5,409	$ 0	$ 9,608
Unvested shares			333	333	333	333
Common Stock [Member] \| A Consultant [Member] \| Medical And Scientific Advisory Board [Member]
Class of Stock [Line Items]
Stock issued for compensation, shares					333
Stock based compensation expense			$ 708	$ 1,417	$ 708	$ 3,542
Unvested shares			0		0
Common Stock [Member] \| Three Nonemployee Member [Member] \| Director Letter Agreement [Member]
Class of Stock [Line Items]
Stock issued for compensation, shares					1,336
Stock based compensation expense			$ 5,851		$ 10,736
Common Stock [Member] \| Two Consultants [Member] \| Consulting Agreements [Member]
Class of Stock [Line Items]
Stock issued for compensation, shares					334
Stock based compensation expense			$ 2,442	4,062	$ 2,442	4,062
Unvested shares			167		167
Common Stock [Member] \| Consultants [Member] \| Consulting Agreements [Member]
Class of Stock [Line Items]
Stock issued for compensation, shares					334
Stock based compensation expense			$ 88	$ 88	$ 88	$ 88