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Investments and Fair Value Instruments - Summary of Changes in Fair Value and Other Adjustments of Liabilities (Detail) - Level 3 [Member] $ in Thousands | 9 Months Ended
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Sep. 30, 2023 USD ($)
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] |
Beginning Balance | $ 2,806
Initial recognition | 6,810
Change in fair value and other adjustments | (5,780)
Ending Balance | 3,836
March 2023 Options - Series A [Member] |
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] |
Beginning Balance | 0
Initial recognition | 4,324
Change in fair value and other adjustments | (2,934)
Ending Balance | 1,390
March 2023 Options - Series B [Member] |
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] |
Beginning Balance | 0
Initial recognition | 2,274
Change in fair value and other adjustments | (2,090)
Ending Balance | 184
March 2023 Placement Agent Options [Member] |
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] |
Beginning Balance | 0
Initial recognition | 212
Change in fair value and other adjustments | (146)
Ending Balance | 66
August 2022 Options [Member] |
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] |
Beginning Balance | 767
Initial recognition | 0
Change in fair value and other adjustments | (575)
Ending Balance | 192
August 2022 Placement Agent Options [Member] |
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] |
Beginning Balance | 39
Initial recognition | 0
Change in fair value and other adjustments | (35)
Ending Balance | 4
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 and other adjustments | 0
Ending Balance | $ 2,000

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- Definition Amount of increase (decrease) of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -SubTopic 10 -Topic 820 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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