Accrued Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Sep. 30, 2025
Accrued Liabilities
Accrued investigator payments		$ 96
Accrued compensation and benefits	718	1,562
Research grant repayable (Note 4)	805
Milestone-based contract accruals	310	523
All other accrued liabilities	2,203	1,711
Total accrued liabilities	$ 4,036	$ 3,892

Carrying value as of the balance sheet date of obligations incurred and payable for incentive compensation awarded to employees and directors or earned by them based on the terms of one or more relevant arrangements. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(20))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant