Other Income (Details Narrative) - USD ($)	3 Months Ended		6 Months Ended		12 Months Ended
Other Income (Details Narrative) - USD ($)	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023	Sep. 30, 2023	Sep. 30, 2021
Research and development incentive income	$ 500,000	$ 700,000	$ 1,100,000	$ 1,500,000
Grant income	0	0	0	25,000
Grant income, amount	900,000		900,000		$ 900,000
Incentive and tax receivables	3,600,000		3,600,000		2,500,000
Australia, Dollars
Research and development incentive income	700,000	$ 1,100,000	1,600,000	$ 2,200,000
Incentive and tax receivables	$ 5,600,000		5,600,000		3,900,000
Anavex [Member]
Research and development incentive income					$ 500,000	$ 500,000
Michael J Fox [Member]
Research and development incentive income			$ 1,000,000