Fair Value Measurements (Tables)

3 Months Ended

Dec. 31, 2024

Fair value

Schedule of assets and liabilities measured at fair value

	December 31, 2024
	(Level 1)		(Level 2)		(Level 3)
Liabilities
Unsecured convertible promissory note	$	—	$	—	$	30,744,000
Warrant liability		—		—		18,826,133
Total	$	—	$	—	$	49,570,133
	September 30, 2024
	(Level 1)		(Level 2)		(Level 3)
Liabilities
Unsecured convertible promissory note	$	—	$	—	$	29,440,000
Warrant liability		—		—		59,099,013
Total	$	—	$	—	$	88,539,013

Schedule of changes in the fair value of Level 3 liabilities

	Unsecured Convertible
	Promissory Note		Warrants
Balance at October 1, 2024	$	29,440,000	$	59,099,013
Change in fair value		1,304,000		(40,272,880)
Balance at December 31, 2024	$	30,744,000	$	18,826,133

December 2022 Note

Fair value

Schedule of fair value inputs

	December 31, 2024			September 30, 2024
Term (years)		0.5			0.8
Volatility		134.0	%		91.0	%
Risk-free rate		4.2	%		4.2	%
Dividend yield		—	%		—	%
Credit-adjusted discount rate		20.5	%		20.4	%
Stock price	$	1.89		$	5.34

Common stock warrants

Fair value

Schedule of fair value inputs

	December 31, 2024			September 30, 2024
Risk-free interest rate		4.34	%		3.58	%
Remaining contractual term of warrants (years)		4.2			4.5
Expected volatility		135.5	%		125.0	%
Annual dividend yield		—	%		—	%
Stock price	$	1.89		$	5.34