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Stock Warrants (Details) - USD ($) $ / shares in Units, $ in Millions |  |  | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Sep. 27, 2024 | Oct. 15, 2018 | Dec. 31, 2024 | Dec. 31, 2023 | Aug. 15, 2024 | Oct. 31, 2023 | Aug. 03, 2022
Stock Warrants |  |  |  |  |  |  |
Gross proceeds |  | $ 18.6 |  |  |  |  |
Warrants exercised |  |  |  | 0 |  |  |
Common stock, par value (in dollars per share) |  |  | $ 0.001 | $ 0.001 | $ 0.001 |  |
Warrant outstanding |  |  |  |  |  | 0 |
Class A common stock |  |  |  |  |  |  |
Stock Warrants |  |  |  |  |  |  |
Stock issued during period (in shares) |  | 252,000 |  |  |  |  |
Series B Preferred Stock |  |  |  |  |  |  |
Stock Warrants |  |  |  |  |  |  |
Number of warrants to purchase shares |  | 1,367,218 |  |  |  |  |
Common stock, par value (in dollars per share) |  | $ 1,000 |  |  |  |  |
Preferred stock conversion price per share |  | $ 11.5 |  |  |  |  |
Issue of warrants to purchase common stock |  | 1,367,218 |  |  |  |  |
Series B |  |  |  |  |  |  |
Stock Warrants |  |  |  |  |  |  |
Conversion of stock, shares converted |  | 15,723 |  |  |  |  |
Public Offering |  |  |  |  |  |  |
Stock Warrants |  |  |  |  |  |  |
Stock issued during period (in shares) | 918,600 |  |  |  |  |  |
Offering price | $ 1.75 |  |  |  |  |  |
Warrants, offering price | $ 1.7499 |  |  |  |  |  |
Gross proceeds | $ 2.5 |  |  |  |  |  |
Percentage of shares outstanding for exercise of warrants | 4.99% |  |  |  |  |  |
Percentage of shares outstanding for exercise of warrants at the election of holder | 9.99% |  |  |  |  |  |
Notice period | 61 days |  |  |  |  |  |
Threshold percentage of shares outstanding for exercise of warrants | 9.99% |  |  |  |  |  |
Public Offering | Pre-funded warrants |  |  |  |  |  |  |
Stock Warrants |  |  |  |  |  |  |
Number of warrants to purchase shares | 510,000 |  |  |  |  |  |
Class of warrant or right, number of securities called by each warrant or right | 1 |  |  |  |  |  |
Exercise price per warrant | $ 0.0001 |  |  |  |  |  |
Warrants exercised |  |  | 510,000 |  |  |  |
Public Offering | Common warrants |  |  |  |  |  |  |
Stock Warrants |  |  |  |  |  |  |
Number of warrants to purchase shares | 1,428,600 |  |  |  |  |  |
Class of warrant or right, number of securities called by each warrant or right | 1 |  |  |  |  |  |
Exercise price per warrant | $ 2 |  |  |  |  |  |
Expected life of warrant (years) | 5 years |  |  |  |  |  |
Warrants exercised |  |  | 0 |  |  |  |
Warrant |  |  |  |  |  |  |
Stock Warrants |  |  |  |  |  |  |
Exercise price per warrant |  | $ 6.9 |  |  |  |  |
Warrant | Class A common stock |  |  |  |  |  |  |
Stock Warrants |  |  |  |  |  |  |
Number of warrants to purchase shares |  | 252,000 |  |  |  |  |
Exercise price per warrant |  | $ 13.8 |  |  |  |  | $ 1.22

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