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Stockholders' Equity (Deficit) - Narrative (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended 12 Months Ended
Mar. 31, 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 $ 14.3 $ 13.4
Dividends accrued (in dollars per share) $ 570.26 $ 535.71
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