Stockholders' equity - Stock-based compensation - Award plans and inducement grants (Details) - shares |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Stock-based compensation | ||
| RSUs | 234,055 | 29,295 |
| Remaining shares of common stock available for future issuance | 248,107 | |
| 2022 Plan | ||
| Stock-based compensation | ||
| Remaining shares of common stock available for future issuance | 247,729 | |
| 2021 Inducement Plan | ||
| Stock-based compensation | ||
| Remaining shares of common stock available for future issuance | 378 | |
| Stock options | ||
| Stock-based compensation | ||
| Shares of Common Stock Issuable for Options, Outstanding (in shares) | 420 | |
| Stock options | 2019 Plan | ||
| Stock-based compensation | ||
| Shares of Common Stock Issuable for Options, Outstanding (in shares) | 136 | |
| Stock options | 2022 Plan | ||
| Stock-based compensation | ||
| Shares of Common Stock Issuable for Options, Outstanding (in shares) | 284 | |
| RSUs | ||
| Stock-based compensation | ||
| RSUs | 234,055 | |
| RSUs | 2022 Plan | ||
| Stock-based compensation | ||
| RSUs | 234,055 |
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- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Number of options outstanding, including both vested and non-vested options. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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