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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] - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2025 | Dec. 31, 2024
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] |  |
Beginning Balance | $ 4,981 | $ 3,257
Initial recognition |  | 250
Change in fair value and other adjustments | (2,862) | 1,474
Ending Balance | 2,119 | 4,981
March 2023 Options - Series A [Member] |  |
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] |  |
Beginning Balance | 2,285 | 1,008
Initial recognition |  | 0
Change in fair value and other adjustments | (1,562) | 1,277
Ending Balance | 723 | 2,285
March 2023 Options - Series B [Member] |  |
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] |  |
Beginning Balance | 0 | 41
Initial recognition |  | 0
Change in fair value and other adjustments |  | (41)
Ending Balance |  | 0
March 2023 Placement Agent Options [Member] |  |
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] |  |
Beginning Balance | 90 | 46
Initial recognition |  | 0
Change in fair value and other adjustments | (59) | 44
Ending Balance | 31 | 90
August 2022 Options [Member] |  |
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] |  |
Beginning Balance | 349 | 159
Initial recognition |  | 0
Change in fair value and other adjustments | (236) | 190
Ending Balance | 113 | 349
August 2022 Placement Agent Options [Member] |  |
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] |  |
Beginning Balance | 7 | 3
Initial recognition |  | 0
Change in fair value and other adjustments | (5) | 4
Ending Balance | 2 | 7
Note Receivable Bifurcated Derivatives [Member] |  |
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] |  |
Beginning Balance | 250 | 0
Initial recognition |  | 250
Change in fair value and other adjustments | 0 | 0
Ending Balance | 250 | 250
Contingent Liabilities [Member] |  |
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] |  |
Beginning Balance | 2,000 | 2,000
Initial recognition |  | 0
Change in fair value and other adjustments | (1,000) | 0
Ending Balance | $ 1,000 | $ 2,000

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