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Stockholders' Equity - Employee Stock Purchase Plan (Details) - Employee Stock Purchase Plan $ in Millions |  | 12 Months Ended |
--- | --- | --- | ---
May 07, 2013 period shares | Dec. 31, 2024 USD ($) shares | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | May 07, 2022 shares
Stock-based compensation |  |  |  |  |
Purchase price of shares expressed as percentage of fair market value of common stock | 85.00% |  |  |  |
Number of non-concurrent offering periods | period | 2 |  |  |  |
Number of shares available for future grant |  |  |  |  | 2,500,000
Number of shares reserved (in shares) | 2,500,000 |  |  |  |
Stock-based compensation expense | $ |  | $ 0.1 | $ 0.1 | $ 0.1 |
Shares sold pursuant to the ESPP (in shares) |  | 337,190 |  |  |

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