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Investments in marketable securities (Tables) | 9 Months Ended
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Sep. 30, 2025
Investments, Debt and Equity Securities [Abstract] |
Marketable securities | Investments in marketable securities consisted of the following:
| Amortized Cost |  | Gross Unrealized Gain(1) |  | Gross Unrealized Loss(1) |  | Fair Value
As of September 30, 2025 | (in thousands)
Cash equivalents |  |  |  |  |  |  |
Money market funds | $ | 7,838 |  |  | $ | — |  |  | $ | — |  |  | $ | 7,838 |
Total | $ | 7,838 |  |  | $ | — |  |  | $ | — |  |  | $ | 7,838 |
Investments in marketable short-term securities |  |  |  |  |  |  |
US corporate bonds | $ | 3,059 |  |  | $ | 3 |  |  | $ | — |  |  | $ | 3,062 |
US treasury bills | 37,981 |  |  | 31 |  |  | (1) |  |  | 38,011 |
US government bonds | 30,197 |  |  | 27 |  |  | (3) |  |  | 30,221 |
Total | $ | 71,237 |  |  | $ | 61 |  |  | $ | (4) |  |  | $ | 71,294 |
(1) Gross unrealized gain (loss) is pre-tax and is reported in accumulated other comprehensive income (loss).
| Amortized Cost |  | Gross Unrealized Gain(1) |  | Gross Unrealized Loss(1) |  | Fair Value
As of December 31, 2024 | (in thousands)
Cash equivalents |  |  |  |  |  |  |
Money market funds | $ | 29,533 |  |  | $ | — |  |  | $ | — |  |  | $ | 29,533 |
Total | $ | 29,533 |  |  | $ | — |  |  | $ | — |  |  | $ | 29,533 |
Investments in marketable short-term securities |  |  |  |  |  |  |
US corporate bonds | $ | 30,776 |  |  | $ | 27 |  |  | $ | (6) |  |  | $ | 30,797 |
US treasury bills | 55,467 |  |  | 29 |  |  | — |  |  | 55,496 |
Total | $ | 86,243 |  |  | $ | 56 |  |  | $ | (6) |  |  | $ | 86,293 |
(1) Gross unrealized gain (loss) is pre-tax and is reported in accumulated other comprehensive income (loss).

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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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