v3.21.2

Fair Value Measurements - Summary of change in the fair value of the derivative warrant liabilities (Detail) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Jun. 30, 2021 | Mar. 31, 2021 | Sep. 30, 2020 | Sep. 30, 2020 | Sep. 30, 2021
Schedule Of Changes In The Fair Value Of Warrant Liabilities [Line Items] |  |  |  |  |  |
Change in fair value of warrant liabilities | $ 1,482,770 |  |  | $ 1,468,960 | $ 1,468,960 | $ 2,421,945
Fair Value, Inputs, Level 3 [Member] |  |  |  |  |  |
Schedule Of Changes In The Fair Value Of Warrant Liabilities [Line Items] |  |  |  |  |  |
Level 3 warrant liabilities at December 31, 2020 | 158,105 | $ 135,080 | $ 165,780 |  |  | 165,780
Change in fair value of warrant liabilities | (33,770) | 23,025 | (30,700) |  |  |
Level 3 warrant liabilities at September 30, 2021 | $ 124,335 | $ 158,105 | $ 135,080 |  |  | $ 124,335

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- Definition Amount of expense (income) related to adjustment to fair value of warrant liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section 25 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=109262497&loc=d3e20148-110875 + Details
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- Definition Fair value of financial obligations, including, but not limited to, debt instruments, derivative liabilities, federal funds purchased and sold under agreements to repurchase, securities loaned or sold under agreements to repurchase, financial instruments sold not yet purchased, guarantees, line of credit, loans and notes payable, servicing liability, and trading liabilities. + References No definition available. + Details
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