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]	Jun. 30, 2025	Dec. 31, 2024
Remaining Term [Member] \| March 2023 Options - Series A & March 2023 Placement Agent Options [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Remaining term (in years)	2 years 7 months 20 days	3 years 1 month 20 days
Remaining Term [Member] \| August 2022 Options & 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)	2 years 2 months 1 day	2 years 8 months 1 day
Expected Volatility [Member] \| March 2023 Options - Series A & March 2023 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	94.4	101.7
Expected Volatility [Member] \| August 2022 Options & 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	93.3	95.9
Risk-Free Interest Rate [Member] \| March 2023 Options - Series A & March 2023 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	3.7	4.3
Risk-Free Interest Rate [Member] \| August 2022 Options & 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	3.7	4.3
Expected Dividend Yield [Member] \| March 2023 Options - Series A & March 2023 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	0
Expected Dividend Yield [Member] \| August 2022 Options & 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	0