Fair Value Measurements (Tables)

12 Months Ended

Sep. 30, 2025

Fair Value Disclosures [Abstract]

Schedule of Fair Value Assets And Liabilities Measured On Recurring Basis

Liabilities measured at fair value on a recurring basis as of September 30, 2025 are as follows:

	Level 1		Level 2		Level 3		Total
Earnout liability	$	—	$	—	$	1,240	$	1,240
Liability-classified warrants		—		—		6,859		6,859
Total	$	—	$	—	$	8,099	$	8,099

Schedule of Fair Value Measured On Recurring Basis Unobservable Input Reconciliation

The following table provides a reconciliation of the balance of financial instruments measured at fair value on a recurring basis using Level 3 inputs:

	Earnout Liability			Liability Classified Warrants			PIPE Make-Whole Liability			SAFEs
Balance, September 30, 2023	$	—		$	—		$	—		$	1,512
Liabilities recognized in the Merger		33,559			150			2,071			—
Sale of warrants in the July 2024 Private Placement		—			6,397			—			—
Other warrants issued		—			732			—			—
Conversion to Class A Common Stock in the Merger		—			—			—			(1,522	)
Exercise of warrants		—			(3,393	)		—
Settlement of liability		—			(332	)		(1,241	)		—
Change in fair value included in net loss		(31,879	)		(1,415	)		(830	)		10
Balance, September 30, 2024	$	1,680		$	2,139		$	—		$	—
Sale of warrants in the April 2025 Offering		—			2,853
Issuance of inducement warrants		—			5,699
Modification of warrants		—			1,214
Exercise of warrants		—			(4,242	)
Change in fair value included in net loss		(440	)		(804	)
Balance, September 30, 2025	$	1,240		$	6,859

Schedule of Fair Value of Liability-Classified Warrants

	September 30,
	2025			2024
Stock price	$	0.81		$	1.06
Expected volatility		79.0	%		55.7	%
Risk-free rate		3.7	%		3.5 – 3.9	%
Contractual term		4.3 – 4.9 years			1.1 – 5.1 years

	September 30,
	2025			2024
Stock price	$	0.81		$	1.06
Expected volatility		80	%		70	%
Risk-free rate		3.8	%		3.6	%
Contractual term		6.2 years			7.2 years