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Fair Value Measurements - Summary of Reconciliation of Beginning and Ending Balances for Liabilities Measured at Fair Value on Recurring Basis (Detail) $ in Thousands | 9 Months Ended
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Sep. 30, 2021 USD ($)
Warrant liabilities |
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] |
Beginning balance | $ 51,156
Loan Agreement warrants | 362
Gain (loss) adjustment to fair value | (35,378)
Settlement for December 2020 Public Offering - Series 1 warrant exercise | (805)
Ending balance | 15,335
Derivative liabilities |
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] |
Beginning balance | 5,954
Adjustment for conversion of April 2020 Notes | (3,426)
Gain (loss) adjustment to fair value | (1,772)
Ending balance | $ 756

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- Definition Fair value measurement with unobservable inputs reconciliation recurring basis liability adjustment for conversion of notes. + References No definition available. + Details
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- Definition Fair value measurement with unobservable inputs reconciliation recurring basis liability loan agreement warrants. + References No definition available. + Details
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- Definition Fair value measurement with unobservable inputs reconciliation recurring basis liability settlement for public offering series one warrant exercise. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Fair value 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 -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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