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Fair Value of Financial Instruments (Tables) | 12 Months Ended
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Dec. 31, 2023
Fair Value Disclosures [Abstract] |
Schedule of Company's Financial Instruments by Significant Investment Category Measured at Fair Value on a Recurring Basis Within the Fair Value Hierarchy | The following tables summarize the Company's financial instruments by significant investment category measured at fair value on a recurring basis within the fair value hierarchy (in thousands):
|  |  |  |  | Fair Value Measurements At Reporting Date Using |
|  | Total |  |  | Quoted Prices in Active Markets For Identical Assets (Level 1) |  |  | Significant Other Observable Inputs (Level 2) |  |  | Significant Unobservable Inputs (Level 3) |
As of December 31, 2023 |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents: |  |  |  |  |  |  |  |  |  |  |  |
Money market funds |  | $ | 35,385 |  |  | $ | 35,385 |  |  | $ | — |  |  | $ | — |
Total cash and cash equivalents |  | $ | 35,385 |  |  | $ | 35,385 |  |  | $ | — |  |  | $ | — |
Short-term investments: |  |  |  |  |  |  |  |  |  |  |  |
U.S. treasury securities |  | $ | 63,191 |  |  | $ | — |  |  | $ | 63,191 |  |  | $ | — |
Total short-term investments |  | $ | 63,191 |  |  | $ | — |  |  | $ | 63,191 |  |  | $ | — |
Total assets measured at fair value |  | $ | 98,576 |  |  | $ | 35,385 |  |  | $ | 63,191 |  |  | $ | — |
|  |  |  |  | Fair Value Measurements At Reporting Date Using |
|  | Total |  |  | Quoted Prices in Active Markets For Identical Assets (Level 1) |  |  | Significant Other Observable Inputs (Level 2) |  |  | Significant Unobservable Inputs (Level 3) |
As of December 31, 2022 |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents: |  |  |  |  |  |  |  |  |  |  |  |
Money market funds |  | $ | 53,894 |  |  | $ | 53,894 |  |  | $ | — |  |  | $ | — |
Total cash and cash equivalents |  | $ | 53,894 |  |  | $ | 53,894 |  |  | $ | — |  |  | $ | — |
Short-term investments: |  |  |  |  |  |  |  |  |  |  |  |
U.S. treasury securities |  | $ | 84,475 |  |  | $ | 84,475 |  |  | $ | — |  |  | $ | — |
Total short-term investments |  | $ | 84,475 |  |  | $ | 84,475 |  |  | $ | — |  |  | $ | — |
Total assets measured at fair value |  | $ | 138,369 |  |  | $ | 138,369 |  |  | $ | — |  |  | $ | — |
Schedule of Available-for-Sale Securities Reconciliation | The following table summarizes available-for-sale-securities (in thousands):
|  |  |  |  |  |  | As of December 31, 2023 |
|  | Maturity (in years) |  | Amortized Cost |  |  | Unrealized Gains |  |  | Unrealized Losses |  |  | Estimated Fair Value |
Cash and cash equivalents: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Money market funds |  |  |  | $ | 35,385 |  |  | $ | — |  |  | $ | — |  |  | $ | 35,385 |
Total cash and cash equivalents |  |  |  | $ | 35,385 |  |  | $ | — |  |  | $ | — |  |  | $ | 35,385 |
Short-term investments: |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. treasury securities |  | 1 or less |  | $ | 63,169 |  |  | $ | 22 |  |  | $ | — |  |  | $ | 63,191 |
Total short-term investments |  |  |  | $ | 63,169 |  |  | $ | 22 |  |  | $ | — |  |  | $ | 63,191 |
Total available-for-sale securities |  |  |  | $ | 98,554 |  |  | $ | 22 |  |  | $ | — |  |  | $ | 98,576 |
|  |  |  |  |  |  | As of December 31, 2022 |
|  | Maturity (in years) |  | Amortized Cost |  |  | Unrealized Gains |  |  | Unrealized Losses |  |  | Estimated Fair Value |
Cash and cash equivalents: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Money market funds |  |  |  | $ | 53,894 |  |  | $ | — |  |  | $ | — |  |  | $ | 53,894 |
Total cash and cash equivalents |  |  |  | $ | 53,894 |  |  | $ | — |  |  | $ | — |  |  | $ | 53,894 |
Short-term investments: |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. treasury securities |  | 1 or less |  | $ | 84,977 |  |  | $ | — |  |  | $ | (502 | ) |  | $ | 84,475 |
Total short-term investments |  |  |  | $ | 84,977 |  |  | $ | — |  |  | $ | (502 | ) |  | $ | 84,475 |
Total available-for-sale securities |  |  |  | $ | 138,871 |  |  | $ | — |  |  | $ | (502 | ) |  | $ | 138,369 |

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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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