Summary of Significant Accounting Policies - Schedule of assets and liabilities at fair value (Details) - USD ($)	Sep. 30, 2023	Sep. 30, 2022
Assets
Total assets		$ 0
Liabilities
Warrant derivative liabilities	$ 7,259,000
Total liabilities	7,259,000	$ 0
Level 3
Liabilities
Warrant derivative liabilities	7,259,000
Total liabilities	$ 7,259,000