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Summary of Significant Accounting Policies - Additional Information (Details)	1 Months Ended	3 Months Ended			9 Months Ended
	Nov. 03, 2022 USD ($)	Dec. 31, 2022 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2022 financialInstitution lease	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)
Property, Plant and Equipment [Line Items]
Number of financial institutions used for cash deposits | financialInstitution					2
Depreciation expense			$ 17,000	$ 16,000		$ 58,000	$ 45,000
Impairment losses			$ 0	$ 0		$ 0	$ 0
Number of existing leases | lease					2
Subsequent Event | Common Stock
Property, Plant and Equipment [Line Items]
Proceeds from issuance of common stock at premium	$ 60,000,000
Forecast
Property, Plant and Equipment [Line Items]
Goodwill Impairment		$ 33,000,000
Minimum
Property, Plant and Equipment [Line Items]
Estimated useful life (in years)					3 years
Lease term (in months)					12 months
Maximum
Property, Plant and Equipment [Line Items]
Estimated useful life (in years)					13 years
Lease term (in months)					60 months

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