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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 | 6 Months Ended
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Jun. 30, 2025 USD ($)
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] |
Beginning Balance | $ 4,981
Change in fair value | (3,565)
Ending Balance | 1,416
March 2023 Options - Series A [Member] |
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] |
Beginning Balance | 2,285
Change in fair value | (1,100)
Ending Balance | 1,185
March 2023 Placement Agent Options [Member] |
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] |
Beginning Balance | 90
Change in fair value | (38)
Ending Balance | 52
August 2022 Options [Member] |
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] |
Beginning Balance | 349
Change in fair value | (172)
Ending Balance | 177
August 2022 Placement Agent Options [Member] |
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] |
Beginning Balance | 7
Change in fair value | (5)
Ending Balance | 2
Note Receivable Bifurcated Derivatives [Member] |
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] |
Beginning Balance | 250
Change in fair value | (250)
Ending Balance | 0
Contingent Liabilities [Member] |
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] |
Beginning Balance | 2,000
Change in fair value | (2,000)
Ending Balance | $ 0

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