Annual report pursuant to Section 13 and 15(d)

COMMON STOCK TRANSACTIONS (Details Narrative)

COMMON STOCK TRANSACTIONS (Details Narrative) - USD ($)			1 Months Ended			12 Months Ended
COMMON STOCK TRANSACTIONS (Details Narrative) - USD ($)	Aug. 09, 2021	Apr. 14, 2021	Jan. 31, 2022	Aug. 31, 2021	Jan. 31, 2021	Apr. 30, 2023	Apr. 30, 2022	Apr. 30, 2021
Class of Stock [Line Items]
Proceeds from Warrant Exercises						$ 880	$ 0
Third S 3 Shelf Offering [Member]
Class of Stock [Line Items]
Stock issued new, shares		19,100,000
Proceeds from sale of equity		$ 87,400,000
Warrants exercised, shares		2,500,000
First Offering [Member]
Class of Stock [Line Items]
Proceeds from sale of equity	$ 15,000,000
Common Stock [Member] \| First Offering [Member]
Class of Stock [Line Items]
Conversion of Stock, Shares Issued				2,522,387
Warrants [Member] \| First Offering [Member]
Class of Stock [Line Items]
Conversion of Stock, Shares Converted				2,522,387
Proceeds from Warrant Exercises				$ 10,720,000
Compensatory Stock Activity Year 2021 [Member] \| Director Letter Agreement [Member] \| Four Nonemployee Board Members [Member]
Class of Stock [Line Items]
Stock issued for compensation, shares								1,334
Stock based compensation expense						$ 0	$ 4,342
Number of nonvested shares						0	0
Compensatory Stock Activity Year 2021 [Member] \| Medical And Scientific Advisory Board [Member] \| Consultant [Member] \| Common Stock [Member]
Class of Stock [Line Items]
Stock based compensation expense						$ 0	$ 3,542
Number of nonvested shares						0	0
Number of shares issued for compensation								333
Compensatory Stock Activity Year 2021 [Member] \| Compensation Agreement [Member] \| Officers [Member] \| Common Stock [Member]
Class of Stock [Line Items]
Stock based compensation expense						$ 0	$ 29,480
Number of nonvested shares						0	0
Number of shares issued for compensation					4,400
Compensatory Stock Activity Year 2022 [Member] \| Director Letter Agreement [Member] \| Four Nonemployee Board Members [Member]
Class of Stock [Line Items]
Stock issued for compensation, shares							1,336
Stock based compensation expense						$ 0	$ 24,212
Number of nonvested shares						0	0
Compensatory Stock Activity Year 2022 [Member] \| Medical And Scientific Advisory Board [Member] \| Consultant [Member] \| Common Stock [Member]
Class of Stock [Line Items]
Stock based compensation expense						$ 0	$ 1,059
Number of nonvested shares						0	0
Number of shares issued for compensation							334
Compensatory Stock Activity Year 2022 [Member] \| Compensation Agreement [Member] \| Officers [Member] \| Common Stock [Member]
Class of Stock [Line Items]
Stock based compensation expense						$ 7,334	$ 3,667
Number of nonvested shares						0	2,933
Number of shares issued for compensation			4,400
Compensatory Stock Activity Year 2022 [Member] \| Consulting Agreements [Member] \| Four Consultants [Member] \| Common Stock [Member]
Class of Stock [Line Items]
Stock based compensation expense						$ 0	$ 9,576
Number of nonvested shares						0	0
Number of shares issued for compensation							668
Compensatory Stock Activity Year 2023 [Member] \| Director Letter Agreement [Member] \| Four Nonemployee Board Members [Member]
Class of Stock [Line Items]
Stock issued for compensation, shares						1,002
Stock based compensation expense						$ 2,278	$ 0
Number of nonvested shares						0	0