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Marketable Debt Securities | 3 Months Ended
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Mar. 31, 2025
Investments, Debt and Equity Securities [Abstract] |
Marketable Debt Securities | 4. Marketable Debt Securities Marketable debt securities, all of which were classified as available-for-sale, consist of the following (in thousands):
|  | March 31, 2025 |
|  | Amortized Cost |  |  | Unrealized Gains |  |  | Unrealized Losses |  |  | Aggregate Fair Value |
Marketable debt securities |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury securities |  | $ | 92,624 |  |  | $ | 53 |  |  | $ | (4 | ) |  | $ | 92,673 |
Total |  | $ | 92,624 |  |  | $ | 53 |  |  | $ | (4 | ) |  | $ | 92,673 |
|  | December 31, 2024 |
|  | Amortized Cost |  |  | Unrealized Gains |  |  | Unrealized Losses |  |  | Aggregate Fair Value |
Marketable debt securities |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury securities |  | $ | 107,288 |  |  | $ | 170 |  |  | $ | — |  |  | $ | 107,458 |
Total |  | $ | 107,288 |  |  | $ | 170 |  |  | $ | — |  |  | $ | 107,458 |
As of March 31, 2025, the remaining contractual terms of the U.S. Treasury securities were less than 12 months. To date, the Company has not recognized any allowances for credit losses or impairments in relation to its marketable securities as these securities are comprised of high credit quality, investment grade securities that the Company does not intend or expect to be required to sell prior to their anticipated recovery, and the decline in fair value of these securities is attributable to factors other than credit losses. Interest and investment income consists of the following (in thousands):
|  | Three Months Ended March 31, |
|  | 2025 |  |  | 2024 |
Interest income |  | $ | 84 |  |  | $ | 262 |
Accretion of discount, net |  |  | 1,157 |  |  |  | 1,288 |
Total interest and investment income |  | $ | 1,241 |  |  | $ | 1,550 |

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- Definition Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets. + References No definition available. + Details
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