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Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Summary Of Significant Accounting Policies [Line Items] |  |
Stock based compensation expenses | $ 3,528 | $ 10,774
Weighted average fair value of stock option granted | $ 0.77 | $ 2.62
Asset Impairment Charges | $ 0 | $ 740
Operating Lease Impairment Loss |  | 600
Collaboration revenue | $ 2,922 | 398
Office and computer equipment [Member] |  |
Summary Of Significant Accounting Policies [Line Items] |  |
Property and equipment useful life | 3 years |
Software [Member] |  |
Summary Of Significant Accounting Policies [Line Items] |  |
Property and equipment useful life | 3 years |
Laboratory equipment [Member] |  |
Summary Of Significant Accounting Policies [Line Items] |  |
Property and equipment useful life | 5 years |
Leasehold improvements [Member] |  |
Summary Of Significant Accounting Policies [Line Items] |  |
Asset Impairment Charges |  | 100
Estimated useful life | Life of the lease |
Stock Options [Member] |  |
Summary Of Significant Accounting Policies [Line Items] |  |
Stock based compensation expenses | $ 3,000 | 7,400
Restricted Stock [Member] |  |
Summary Of Significant Accounting Policies [Line Items] |  |
Stock based compensation expenses | 500 | 3,400
Stock Options and Restricted Stock [Member] |  |
Summary Of Significant Accounting Policies [Line Items] |  |
Stock based compensation expenses | $ 3,500 | $ 10,800

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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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