Annual report [Section 13 and 15(d), not S-K Item 405]

Long-Term Debt - Secured Notes (Details)

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Long-Term Debt - Secured Notes (Details) - USD ($)
 1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Dec. 24, 2024
Jul. 01, 2024
Nov. 27, 2023
Jun. 30, 2024
Sep. 30, 2024
Sep. 30, 2024
Dec. 31, 2024
Dec. 31, 2023
Sep. 16, 2024
Apr. 15, 2024
Apr. 10, 2024
Apr. 01, 2024
Dec. 27, 2023
Debt Instrument [Line Items]                          
Interest expense         $ 3,560,000 $ 12,920,000 $ 15,968,000 $ 9,722,000          
Gain (loss) on extinguishment of debt         $ (7,525,000) $ (7,525,000) $ (4,904,000) $ (19,450,000)          
Common stock, shares issued             194,909,430 7,383,390          
At-the-market offering, company may offer to sell, january 31, 2024 amendment             $ 75,000,000 $ 75,000,000          
Deferred finance costs             $ 0 $ 384,000          
Exercise price per warrant (in dollars per share)                     $ 12.25    
Secured Notes                          
Debt Instrument [Line Items]                          
Securities purchase agreement, aggregate principal amount of notes, partial redemption   $ 8,750,000                      
Securities purchase agreement, repayment price   1,050,000                      
Secured notes bear interest rate     6.00%       6.00%            
Secured Notes at repayment price, percentage     120.00%       120.00%            
Interest expense             $ 15,400,000            
Long-term debt, current maturities, excluding convertible notes             0            
Debt instrument, covenant, minimum liquidity requirement     $ 35,000,000                   $ 35,000,000
Secured notes, accreting discounts             17,800,000            
Secured notes, accreting discounts, amortized to interest expense             13,300,000            
Debt instrument, unamortized discount             $ 300,000            
Effective interest rate (as a percent)             27.70%            
Gain (loss) on extinguishment of debt             $ 8,000,000            
Payments of financing costs             200,000            
Secured notes, cash payments to note holders     16,300,000                   25,000,000
Secured notes, aggregate principal amount, repaid     12,500,000                   $ 20,800,000
Secured notes, fair market value     $ 9,400,000                    
Common stock, shares issued     10,000,000                    
Secured notes, aggregate principal amount     $ 57,500,000                    
Secured notes, accrued and unpaid interest     $ 1,300,000                    
Deferred finance costs             500,000            
Interest expense, borrowings             $ 1,200,000            
Securities purchase agreement, partial redemption payment   $ 875,000                      
Secured notes, maturity date     Aug. 01, 2026       Aug. 01, 2026            
Debt instrument, frequency of periodic payment             payable quarterly in cash on January 1, April 1, July 1 and October 1 of each year            
Second Secured Notes                          
Debt Instrument [Line Items]                          
Secured notes, cash payments to note holders                   $ 5,500,000   $ 5,000,000  
Secured notes, aggregate principal amount, repaid                   $ 4,600,000   $ 4,200,000  
Class of warrant or right, unissued                       627,117  
Exercise price per warrant (in dollars per share)                       $ 15.946  
Third Secured Notes                          
Debt Instrument [Line Items]                          
Secured notes, cash payments to note holders                 $ 600,000        
Secured notes, aggregate principal amount, repaid                 $ 500,000        
Class of warrant or right, unissued   1,650,000                      
Exercise price per warrant (in dollars per share)   $ 3.00                      
Securities purchase agreement, partial redemption payment   $ 10,500,000                      
Redemption payment, start date   Aug. 01, 2024                      
Fair value of warrants on loss of debt extinguishment   $ 4,200,000                      
Debt For Equity Exchange                          
Debt Instrument [Line Items]                          
Secured notes, cash payments to note holders $ 26,900,000                        
Secured notes, aggregate principal amount, repaid $ 22,400,000                        
Common stock, shares issued 185,151,333                        
Secured notes, aggregate principal amount $ 5,000,000                        
Debt instrument accrued interest 400,000                        
Fair value of common stock issued in exchange transaction 24,600,000                        
Change in debt extinguished in comparison to fair value of common stock issued $ 2,600,000                        
Third Old Notes                          
Debt Instrument [Line Items]                          
Debt instrument, unamortized discount       $ 8,600,000                  
Outstanding debt       33,500,000                  
Loss on debt extinguishment, unamortized deferred financing costs       $ 300,000                  
Third New Notes                          
Debt Instrument [Line Items]                          
Debt instrument, unamortized discount   3,300,000                      
Outstanding debt   $ 27,900,000