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Fair Value Measurements (Tables) | 9 Months Ended
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Sep. 30, 2023
Fair Value Disclosures [Abstract] |
Assets Measured on Recurring Basis | The following table summarizes the assets measured at fair value on a recurring basis by level within the fair value hierarchy as of September 30, 2023 (in thousands):
| Level 1 |  | Level 2 |  | Level 3 |  | Total
Cash equivalents |  |  |  |  |  |  |
Money market funds | $ | 49,909 |  |  | $ | — |  |  | $ | — |  |  | $ | 49,909 |
Short-term investments |  |  |  |  |  |  |
US government and agency securities | 12,056 |  |  | 19,910 |  |  | — |  |  | 31,966 |
Commercial paper | — |  |  | 23,182 |  |  | — |  |  | 23,182 |
Total | $ | 61,965 |  |  | $ | 43,092 |  |  | $ | — |  |  | $ | 105,057 |
The following table summarizes the assets measured at fair value on a recurring basis by level within the fair value hierarchy as of December 31, 2022 (in thousands):
| Level 1 |  | Level 2 |  | Level 3 |  | Total
Cash equivalents |  |  |  |  |  |  |
Money market funds | $ | 41,213 |  |  | $ | — |  |  | $ | — |  |  | $ | 41,213 |
Commercial paper | — |  |  | 8,980 |  |  | — |  |  | 8,980 |
Short-term investments |  |  |  |  |  |  |
US government and agency securities | 24,944 |  |  | 11,663 |  |  | — |  |  | 36,607 |
Commercial paper | — |  |  | 14,733 |  |  | — |  |  | 14,733 |
Total | $ | 66,157 |  |  | $ | 35,376 |  |  | $ | — |  |  | $ | 101,533 |
Debt Securities, Available-for-Sale | The following tables summarize the Company's short-term investments on the consolidated balance sheets as of September 30, 2023 and December 31, 2022 (in thousands):
| September 30, 2023
| Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
Short-term investments |  |  |  |  |  |  |
US government and agency securities | $ | 31,989 |  |  | $ | — |  |  | $ | (23) |  |  | $ | 31,966 |
Commercial paper | 23,182 |  |  | — |  |  | — |  |  | 23,182 |
Total | $ | 55,171 |  |  | $ | — |  |  | $ | (23) |  |  | $ | 55,148 |
| December 31, 2022
| Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
Short-term investments |  |  |  |  |  |  |
US government and agency securities | $ | 36,595 |  |  | $ | 18 |  |  | $ | (6) |  |  | $ | 36,607 |
Commercial paper | 14,733 |  |  | — |  |  | — |  |  | 14,733 |
Total | $ | 51,328 |  |  | $ | 18 |  |  | $ | (6) |  |  | $ | 51,340 |
Schedule of Cash and Cash Equivalents | The following tables summarize the Company’s cash and cash equivalents on the consolidated balance sheets as of September 30, 2023 and December 31, 2022 (in thousands):
| September 30, 2023
| Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
Cash | $ | 13,382 |  |  | $ | — |  |  | $ | — |  |  | $ | 13,382 |
Cash equivalents |  |  |  |  |  |  |
Money market funds | 49,909 |  |  | — |  |  | — |  |  | 49,909 |
Total | $ | 63,291 |  |  | $ | — |  |  | $ | — |  |  | $ | 63,291 |
| December 31, 2022
| Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
Cash | $ | 11,804 |  |  | $ | — |  |  | $ | — |  |  | $ | 11,804 |
Cash equivalents |  |  |  |  |  |  |
Money market funds | 41,213 |  |  | — |  |  | — |  |  | 41,213 |
Commercial paper | 8,980 |  |  | — |  |  | — |  |  | 8,980 |
Total | $ | 61,997 |  |  | $ | — |  |  | $ | — |  |  | $ | 61,997 |

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- Definition Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-9 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-3 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-2 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-2 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-2 Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (aa) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-2 Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (aaa) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-2 Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-2 Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-3 Reference 10: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-3 Reference 11: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-3 Reference 12: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-3 + Details
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- Definition Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class 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://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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