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Investments and Fair Value Instruments - Summary of Preferred Investment Option Liabilities Measured and Recorded on Recurring Basis using Black-Scholes Model (Detail) - Level 3 [Member]	Sep. 30, 2022
Remaining Term [Member] | August 2022 Options [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Remaining term (in years)	4 years 11 months 1 day
Remaining Term [Member] | August 2022 Placement Agent Options [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Remaining term (in years)	4 years 11 months 1 day
Expected Volatility [Member] | August 2022 Options [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Preferred investment options liability, measurement input	128.5
Expected Volatility [Member] | August 2022 Placement Agent Options [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Preferred investment options liability, measurement input	128.5
Risk-Free Interest Rate [Member] | August 2022 Options [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Preferred investment options liability, measurement input	4.1
Risk-Free Interest Rate [Member] | August 2022 Placement Agent Options [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Preferred investment options liability, measurement input	4.1
Expected Dividend Yield [Member] | August 2022 Options [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Preferred investment options liability, measurement input	0
Expected Dividend Yield [Member] | August 2022 Placement Agent Options [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Preferred investment options liability, measurement input	0

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