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Fair Value Measurements and Marketable Securities (Tables) | 12 Months Ended
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Dec. 31, 2021
Fair Value Disclosures [Abstract] |
Summary of Financial Assets and Liabilities Measured at Fair Value Recurring Basis | The following tables present information about the Company’s assets and liabilities that are measured at fair value on a recurring basis (in thousands):
|  | Fair Value Measurements at December 31, 2021 Using: |
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
Assets: |  |  |  |  |  |  |  |  |  |  |  |
Cash equivalents: |  |  |  |  |  |  |  |  |  |  |  |
Money market funds |  | $ | — |  |  | $ | 109,316 |  |  | $ | — |  |  | $ | 109,316 |
Corporate bonds |  |  | — |  |  |  | 2,701 |  |  |  | — |  |  |  | 2,701 |
Total cash equivalents |  |  | — |  |  |  | 112,017 |  |  |  | — |  |  |  | 112,017 |
Marketable securities: |  |  |  |  |  |  |  |  |  |  |  |
Corporate bonds |  |  | — |  |  |  | 11,479 |  |  |  | — |  |  |  | 11,479 |
Commercial paper |  |  | — |  |  |  | 22,339 |  |  |  | — |  |  |  | 22,339 |
Total marketable securities |  |  | — |  |  |  | 33,818 |  |  |  | — |  |  |  | 33,818 |
Total cash equivalents and marketable securities |  | $ | — |  |  | $ | 145,835 |  |  | $ | — |  |  | $ | 145,835 |
Liabilities: |  |  |  |  |  |  |  |  |  |  |  |
Derivative liability |  | $ | — |  |  | $ | — |  |  | $ | 802 |  |  | $ | 802 |
|  | $ | — |  |  | $ | — |  |  | $ | 802 |  |  | $ | 802 |
|  | Fair Value Measurements at December 31, 2020 Using: |
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
Assets: |  |  |  |  |  |  |  |  |  |  |  |
Cash equivalents: |  |  |  |  |  |  |  |  |  |  |  |
Money market funds |  | $ | — |  |  | $ | 73,488 |  |  | $ | — |  |  | $ | 73,488 |
Commercial paper |  |  |  |  |  | 5,998 |  |  |  | — |  |  |  | 5,998 |
Corporate bonds |  |  |  |  |  | 3,006 |  |  |  | — |  |  |  | 3,006 |
Total cash equivalents |  |  | — |  |  |  | 82,492 |  |  |  | — |  |  |  | 82,492 |
Marketable securities: |  |  |  |  |  |  |  |  |  |  |  |
Corporate bonds |  |  | — |  |  |  | 13,221 |  |  |  | — |  |  |  | 13,221 |
Commercial paper |  |  | — |  |  |  | 28,476 |  |  |  | — |  |  |  | 28,476 |
Total marketable securities |  |  | — |  |  |  | 41,697 |  |  |  | — |  |  |  | 41,697 |
Total cash equivalents and marketable securities |  | $ | — |  |  | $ | 124,189 |  |  | $ | — |  |  | $ | 124,189 |
Summary of Gross Unrealized Gains and Losses of Marketable Securities | The following table summarizes the gross unrealized gains and losses of the Company’s marketable securities as of December 31, 2021 and 2020 (in thousands):
|  | December 31, 2021 |
|  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Fair Value |
Assets: |  |  |  |  |  |  |  |  |  |  |  |
Corporate bonds |  |  | 11,481 |  |  |  | — |  |  |  | (2 | ) |  |  | 11,479 |
Commercial paper |  |  | 22,339 |  |  |  | — |  |  |  | — |  |  |  | 22,339 |
|  | $ | 33,820 |  |  | $ | — |  |  | $ | (2 | ) |  | $ | 33,818 |
|  | December 31, 2020 |
|  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Fair Value |
Assets: |  |  |  |  |  |  |  |  |  |  |  |
Corporate bonds |  |  | 13,227 |  |  |  | — |  |  |  | (6 | ) |  |  | 13,221 |
Commercial paper |  |  | 28,476 |  |  |  | — |  |  |  | — |  |  |  | 28,476 |
|  | $ | 41,703 |  |  | $ | — |  |  | $ | (6 | ) |  | $ | 41,697 |

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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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