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Short-Term Investments (Tables) | 9 Months Ended
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Sep. 30, 2024
Short-Term Investments [Abstract] |
Summary of Short-Term Investments | The following is a summary of our short-term investments (in thousands):
|  | September 30, 2024 |
|  |  |  |  | Gross |  |  | Gross |  |  |  |
|  | Amortized |  |  | Unrealized |  |  | Unrealized |  |  | Estimated |
|  | Cost |  |  | Gains |  |  | Losses |  |  | Fair Value |
U.S. Treasury bills and government agency obligations |  | $ | 23,218 |  |  | $ | 22 |  |  | $ | — |  |  | $ | 23,240 |
U.S. corporate debt securities |  |  | 8,611 |  |  |  | 9 |  |  |  | — |  |  |  | 8,620 |
Foreign corporate debt securities |  |  | 8,321 |  |  |  | 6 |  |  |  | — |  |  |  | 8,327 |
Foreign commercial paper |  |  | 3,967 |  |  |  | 3 |  |  |  | — |  |  |  | 3,970 |
U.S. commercial paper |  |  | 992 |  |  |  | — |  |  |  | — |  |  |  | 992 |
Total |  | $ | 45,109 |  |  | $ | 40 |  |  | $ | — |  |  | $ | 45,149 |
|  | December 31, 2023 |
|  |  |  |  | Gross |  |  | Gross |  |  |  |
|  | Amortized |  |  | Unrealized |  |  | Unrealized |  |  | Estimated |
|  | Cost |  |  | Gains |  |  | Losses |  |  | Fair Value |
U.S. Treasury bills and government agency obligations |  | $ | 31,625 |  |  | $ | 11 |  |  | $ | — |  |  | $ | 31,636 |
U.S. corporate debt securities |  |  | 11,652 |  |  |  | 1 |  |  |  | — |  |  |  | 11,653 |
Foreign corporate debt securities |  |  | 5,459 |  |  |  | 1 |  |  |  | — |  |  |  | 5,460 |
U.S. commercial paper |  |  | 1,991 |  |  |  | — |  |  |  | (1 | ) |  |  | 1,990 |
Foreign commercial paper |  |  | 993 |  |  |  | — |  |  |  | — |  |  |  | 993 |
Total |  | $ | 51,720 |  |  | $ | 13 |  |  | $ | (1 | ) |  | $ | 51,732 |

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