Fair Value of Financial Instruments - Schedule of Assets and Liabilities that were Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Sep. 30, 2025
Schedule of Assets and Liabilities that were Measured at Fair Value on a Recurring Basis [Line Items]
Total	$ 46,715	$ 131,180
Level I [Member]
Schedule of Assets and Liabilities that were Measured at Fair Value on a Recurring Basis [Line Items]
Total	39,138	63,923
Level II [Member]
Schedule of Assets and Liabilities that were Measured at Fair Value on a Recurring Basis [Line Items]
Total	5,176	47,972
Level III [Member]
Schedule of Assets and Liabilities that were Measured at Fair Value on a Recurring Basis [Line Items]
Total	2,401	19,285
U.S. government securities [Member]
Schedule of Assets and Liabilities that were Measured at Fair Value on a Recurring Basis [Line Items]
Total	32,457	18,391
U.S. government securities [Member] \| Level I [Member]
Schedule of Assets and Liabilities that were Measured at Fair Value on a Recurring Basis [Line Items]
Total	32,457	18,391
U.S. government securities [Member] \| Level II [Member]
Schedule of Assets and Liabilities that were Measured at Fair Value on a Recurring Basis [Line Items]
Total
U.S. government securities [Member] \| Level III [Member]
Schedule of Assets and Liabilities that were Measured at Fair Value on a Recurring Basis [Line Items]
Total
Certificates of deposit [Member]
Schedule of Assets and Liabilities that were Measured at Fair Value on a Recurring Basis [Line Items]
Total	5,176	47,972
Certificates of deposit [Member] \| Level I [Member]
Schedule of Assets and Liabilities that were Measured at Fair Value on a Recurring Basis [Line Items]
Total
Certificates of deposit [Member] \| Level II [Member]
Schedule of Assets and Liabilities that were Measured at Fair Value on a Recurring Basis [Line Items]
Total	5,176	47,972
Certificates of deposit [Member] \| Level III [Member]
Schedule of Assets and Liabilities that were Measured at Fair Value on a Recurring Basis [Line Items]
Total
Money market funds [Member]
Schedule of Assets and Liabilities that were Measured at Fair Value on a Recurring Basis [Line Items]
Total	6,681	45,532
Money market funds [Member] \| Level I [Member]
Schedule of Assets and Liabilities that were Measured at Fair Value on a Recurring Basis [Line Items]
Total	6,681	45,532
Money market funds [Member] \| Level II [Member]
Schedule of Assets and Liabilities that were Measured at Fair Value on a Recurring Basis [Line Items]
Total
Money market funds [Member] \| Level III [Member]
Schedule of Assets and Liabilities that were Measured at Fair Value on a Recurring Basis [Line Items]
Total
Liability-classified Warrants [Member]
Schedule of Assets and Liabilities that were Measured at Fair Value on a Recurring Basis [Line Items]
Total	2,401	19,285
Liability-classified Warrants [Member] \| Level I [Member]
Schedule of Assets and Liabilities that were Measured at Fair Value on a Recurring Basis [Line Items]
Total
Liability-classified Warrants [Member] \| Level II [Member]
Schedule of Assets and Liabilities that were Measured at Fair Value on a Recurring Basis [Line Items]
Total
Liability-classified Warrants [Member] \| Level III [Member]
Schedule of Assets and Liabilities that were Measured at Fair Value on a Recurring Basis [Line Items]
Total	$ 2,401	$ 19,285