Other Income (Details Narrative) - USD ($) $ in Millions	12 Months Ended
Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2021
Defined Benefit Plan Disclosure [Line Items]
Research and development incentive income		$ 0.5	$ 0.5
Non operating income from grant	$ 75,000.0	25,000.0
Deferred grant income	0.8	0.9
Research and development incentive income	2.3	2.7
Incentive and tax receivables	2.3	2.5
Australia, Dollars
Defined Benefit Plan Disclosure [Line Items]
Research and development incentive income	3.5	4.1
Incentive and tax receivables	3.3	$ 3.9
Michael J Fox Foundation [Member]
Defined Benefit Plan Disclosure [Line Items]
Research and development incentive income	$ 1.0

Amount due from parties in nontrade transactions, classified as other.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 49
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482785/280-10-55-49

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-04(5)(a)(5))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479170/946-210-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(3)(a)(4))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(3))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant