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Stockholders' Equity (Deficit) - Narrative (Details) - USD ($) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2025 | Dec. 31, 2024
Class of Stock [Line Items] |  |
Number of securities called by warrants or rights (in shares) | 3,018,304 |
Exercised price, loan warrants (in dollars per share) | $ 0 |
Preferred stock, shares authorized (in shares) | 2,000,000 | 2,000,000
Preferred stock, par value (in dollars per share) | $ 0.001 | $ 0.001
Series D Preferred Stock |  |
Class of Stock [Line Items] |  |
Preferred stock, shares authorized (in shares) | 150,000 |
Series E preferred stock |  |
Class of Stock [Line Items] |  |
Preferred stock, shares authorized (in shares) | 39,500 | 39,500
Preferred stock, par value (in dollars per share) | $ 0.001 | $ 0.001
Preferred stock issued (in shares) | 25,000 | 25,000
Preferred stock, shares outstanding (in shares) | 25,000 | 25,000
Dividends payable | $ 15,100,000 | $ 13,400,000
Dividends accrued (in dollars per share) | $ 605.59 | $ 535.71
Preferred stock, liquidation preference | $ 40,140,000 | $ 40,140,000
2025 Convertible Notes, Long and Short Term Portions | Convertible Debt |  |
Class of Stock [Line Items] |  |
Number of securities called by warrants or rights (in shares) |  | 3,000,000
2025 Notes | Convertible Debt |  |
Class of Stock [Line Items] |  |
Number of securities called by warrants or rights (in shares) |  | 2,500,000
Warrant or right, reason for issuance expiry term |  | 4 years

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