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Balance Sheet Components - Summary of Prepaid Expenses and Other Current Assets (Detail) - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022
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Prepaid Expense and Other Assets, Current [Abstract] |  |
Prepaid research and development costs | $ 2,807 | $ 3,805
Prepaid insurance | 440 | 755
Other prepaid expenses | 959 | 678
Other current assets | 165 | 203
Total prepaid expenses and other current assets | $ 4,371 | $ 5,441

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- Definition Amount of asset related to consideration paid in advance for insurance that provides economic benefits within a future period of one year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 10 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6387103&loc=d3e6435-108320 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (g)(1) -URI https://asc.fasb.org/extlink&oid=124098289&loc=d3e6676-107765 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 10 -Section 05 -Paragraph 5 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126905020&loc=d3e5879-108316 + Details
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