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Fair Value Measurements (Tables) | 9 Months Ended
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Sep. 30, 2024
Fair Value Disclosures [Abstract] |
Summary of Financial Instruments Measured at Fair Value on a Recurring Basis | The following tables show the Company’s cash, cash equivalents, and short-term investments by significant investment category as of September 30, 2024 and December 31, 2023 (in thousands):
| September 30, 2024
| Amortized Cost |  | Unrealized Gains |  | Unrealized Losses |  | Fair Value |  | Cash and Cash Equivalents |  | Short-term Investments
Cash | $ | 7,359 |  |  | $ | — |  |  | $ | — |  |  | $ | 7,359 |  |  | $ | 7,359 |  |  | $ | — |
Level 1: |  |  |  |  |  |  |  |  |  |  |
Money market funds | 30,093 |  |  | — |  |  | — |  |  | 30,093 |  |  | 30,093 |  |  | — |
Level 2(1): |  |  |  |  |  |  |  |  |  |  |
Commercial paper | 8,416 |  |  | 7 |  |  | — |  |  | 8,423 |  |  | — |  |  | 8,423 |
Corporate debt | 8,723 |  |  | 14 |  |  | (2) |  |  | 8,735 |  |  | — |  |  | 8,735 |
U.S. agency securities | 1,983 |  |  | 9 |  |  | — |  |  | 1,992 |  |  | — |  |  | 1,992 |
U.S. treasury securities | 33,555 |  |  | 98 |  |  | — |  |  | 33,653 |  |  | — |  |  | 33,653 |
Subtotal | 52,677 |  |  | 128 |  |  | (2) |  |  | 52,803 |  |  | — |  |  | 52,803 |
Total | $ | 90,129 |  |  | $ | 128 |  |  | $ | (2) |  |  | $ | 90,255 |  |  | $ | 37,452 |  |  | $ | 52,803 |
(1) The valuation techniques used to measure the fair values of the Company’s Level 2 financial instruments uses inputs that are either directly or indirectly observable for the asset through correlation with market data at the measurement date and for the duration of the instrument’s anticipated life.
| December 31, 2023
| Amortized Cost |  | Unrealized Gains |  | Unrealized Losses |  | Fair Value |  | Cash and Cash Equivalents |  | Short-term Investments
Cash | $ | 8,742 |  |  | $ | — |  |  | $ | — |  |  | $ | 8,742 |  |  | $ | 8,742 |  |  | $ | — |
Level 1: |  |  |  |  |  |  |  |  |  |  |
Money market funds | 56,374 |  |  | — |  |  | — |  |  | 56,374 |  |  | 56,374 |  |  | — |
Total | $ | 65,116 |  |  | $ | — |  |  | $ | — |  |  | $ | 65,116 |  |  | $ | 65,116 |  |  | $ | — |

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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://www.xbrl.org/2009/role/commonPracticeRef -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 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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