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Stockholders' Equity - Equity Incentive Plans (Details) - shares | Jun. 30, 2025 | Apr. 21, 2025 | Dec. 12, 2024 | Mar. 19, 2024
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Equity Incentive Plans [Member] |  |  |  |
Stockholders' Equity |  |  |  |
Shares of common stock reserved for issuance (in shares) | 640,969 |  |  |
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) | 381,494 |  |  |
2021 Equity Incentive Plan |  |  |  |
Stockholders' Equity |  |  |  |
Number of common stock eligible for issuance | 400,000 |  |  |
Shares are granted available for issuance (in shares) | 176,975 |  |  |
Shares of common stock reserved for issuance (in shares) | 176,975 |  |  |
2021 Equity Incentive Plan | Unexercised Stock Options |  |  |  |
Stockholders' Equity |  |  |  |
Shares of common stock reserved for issuance (in shares) | 82,500 |  |  |
Not related to plan |  |  |  |
Stockholders' Equity |  |  |  |
Shares of common stock reserved for issuance (in shares) | 1,395,664 |  |  |
Not related to plan | Warrants |  |  |  |
Stockholders' Equity |  |  |  |
Shares of common stock reserved for issuance (in shares) |  | 1,137,455 | 139,916 | 18,293
Not related to plan | Unexercised Stock Options | Halston License |  |  |  |
Stockholders' Equity |  |  |  |
Shares of common stock reserved for issuance (in shares) | 100,000 |  |  |

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