Original AL001 License: (Details)	3 Months Ended
	Jul. 31, 2022 USD ($)
A L001 License [Member] | Pre I N D Meeting [Member]
Product Liability Contingency [Line Items]
Payment	$ 50,000
Due Date	Completed September 2019
A L001 License [Member] | Ind Application Filing [Member]
Product Liability Contingency [Line Items]
Payment	$ 65,000
Due Date	Completed June 2021
A L001 License [Member] | Upon First Dosing of Patient in Clinical Trial [Member]
Product Liability Contingency [Line Items]
Payment	$ 190,000
Due Date	Completed December 2021
A L001 License [Member] | Upon Completion of First Patient Dosing [Member]
Product Liability Contingency [Line Items]
Payment	$ 500,000
Due Date	Completed March 2022
A L001 License [Member] | Upon Completion of First Clinical Trial [Member]
Product Liability Contingency [Line Items]
Payment	$ 1,250,000
Due Date	12 months from completion of the first Phase II clinical trial
A L001 License [Member] | Upon Fda Approval [Member]
Product Liability Contingency [Line Items]
Payment	$ 10,000,000
Due Date	8 years from the effective date of the agreement
A L002 License [Member] | Pre I N D Meeting [Member]
Product Liability Contingency [Line Items]
Payment	$ 50,000
Due Date	Completed January 2022
A L002 License [Member] | Ind Application Filing [Member]
Product Liability Contingency [Line Items]
Payment	$ 50,000
Due Date	12 months from IND application filing date
A L002 License [Member] | Upon First Dosing of Patient in Clinical Trial [Member]
Product Liability Contingency [Line Items]
Payment	$ 175,000
Due Date	12 months from first patient dosed in Phase I
A L002 License [Member] | Upon Completion of First Clinical Trial [Member]
Product Liability Contingency [Line Items]
Payment	$ 500,000
Due Date	24 months from completion of first Phase I clinical trial
A L002 License [Member] | Upon Fda Approval [Member]
Product Liability Contingency [Line Items]
Payment	$ 10,000,000
Due Date	7 years from the effective date of the agreement
A L002 License [Member] | Upon First Patient Treated In Phase3 Clinical Trial [Member]
Product Liability Contingency [Line Items]
Payment	$ 1,000,000
Due Date	12 months from completion of the first Phase II clinical trial
Additional A L001 License [Member] | Ind Application Filing [Member]
Product Liability Contingency [Line Items]
Payment	$ 50,000
Due Date	Upon IND application filing
Additional A L001 License [Member] | Upon First Dosing of Patient in Clinical Trial [Member]
Product Liability Contingency [Line Items]
Payment	$ 150,000
Due Date	12 months from IND filing date
Additional A L001 License [Member] | Upon Completion of First Clinical Trial [Member]
Product Liability Contingency [Line Items]
Payment	$ 400,000
Due Date	12 months from first patient dosing
Additional A L001 License [Member] | Upon Fda Approval [Member]
Product Liability Contingency [Line Items]
Payment	$ 8,000,000
Due Date	8 years from the effective date of the agreement
Additional A L001 License [Member] | Upon First Patient Treated In Phase3 Clinical Trial [Member]
Product Liability Contingency [Line Items]
Payment	$ 1,000,000
Due Date	36 months from completion of the first Phase II clinical trial