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Investments and Fair Value Instruments - Summary of Changes in Fair Value and Other Adjustments of Assets and Liabilities (Detail) - Level 3 [Member] $ in Thousands | 9 Months Ended
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Sep. 30, 2024 USD ($)
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] |
Beginning Balance | $ 3,257
Initial recognition | 250
Change in fair value | (493)
Ending Balance | 3,014
March 2023 Options - Series A [Member] |
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] |
Beginning Balance | 1,008
Initial recognition | 0
Change in fair value | (378)
Ending Balance | 630
March 2023 Options - Series B [Member] |
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] |
Beginning Balance | 41
Initial recognition | 0
Change in fair value | (41)
Ending Balance | 0
March 2023 Placement Agent Options [Member] |
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] |
Beginning Balance | 46
Initial recognition | 0
Change in fair value | (19)
Ending Balance | 27
August 2022 Options [Member] |
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] |
Beginning Balance | 159
Initial recognition | 0
Change in fair value | (53)
Ending Balance | 106
August 2022 Placement Agent Options [Member] |
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] |
Beginning Balance | 3
Initial recognition | 0
Change in fair value | (2)
Ending Balance | 1
Note Receivable Bifurcated Derivatives [Member] |
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] |
Beginning Balance | 0
Initial recognition | 250
Change in fair value | 0
Ending Balance | 250
Contingent Liabilities [Member] |
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] |
Beginning Balance | 2,000
Initial recognition | 0
Change in fair value | 0
Ending Balance | $ 2,000

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