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v3.25.2

Stockholders' Equity - Preferred Stock (Details) - $ / shares | 6 Months Ended |
--- | --- | ---
Jun. 30, 2025 | Dec. 31, 2024
Class of Stock [Line Items] |  |
Preferred stock, shares authorized (in shares) | 5,000,000 | 5,000,000
Preferred stock, par value (in dollars per share) | $ 0.001 | $ 0.001
Preferred stock, shares outstanding (in shares) | 1,952 | 1,952
Common stock, par value (in dollars per share) | $ 0.001 | $ 0.001
Series B Convertible Preferred Stock [Member] | 2018 Rights Offering [Member] |  |
Class of Stock [Line Items] |  |
Preferred stock, shares outstanding (in shares) | 1,014 |
Number of preferred stock, shares converted | 398 |
Series C Convertible Preferred Stock [Member] | 2018 Rights Offering [Member] |  |
Class of Stock [Line Items] |  |
Preferred stock, shares outstanding (in shares) | 938 |
Number of preferred stock, shares converted | 27,792 |

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