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Stockholders' Equity - Equity Incentive Plans (Details) - shares | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Stockholders' Equity |  |
Shares of common stock reserved for issuance (in shares) | 1,016,306 |
Warrants |  |
Stockholders' Equity |  |
Shares of common stock reserved for issuance (in shares) | 263,957 |
2011 Equity Incentive Plan |  |
Stockholders' Equity |  |
Shares are granted available for issuance (in shares) | 0 |
2011 Equity Incentive Plan | Unexercised Stock Options |  |
Stockholders' Equity |  |
Shares of common stock reserved for issuance (in shares) | 423,392 |
2021 Equity Incentive Plan |  |
Stockholders' Equity |  |
Number of common stock eligible for issuance | 400,000 |
Shares of common stock reserved for issuance (in shares) | 279,957 | 279,957
2021 Equity Incentive Plan | Unexercised Stock Options |  |
Stockholders' Equity |  |
Shares of common stock reserved for issuance (in shares) | 49,000 |

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