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

Long-Term Debt - Secured Notes (Details)

v3.26.1
Long-Term Debt - Secured Notes (Details) - USD ($)
 1 Months Ended 12 Months Ended
Mar. 18, 2026
Dec. 24, 2024
Jul. 01, 2024
Nov. 27, 2023
Jun. 30, 2024
Dec. 31, 2025
Dec. 31, 2024
Sep. 16, 2024
Apr. 15, 2024
Apr. 10, 2024
Apr. 01, 2024
Dec. 31, 2023
Dec. 27, 2023
Debt Instrument [Line Items]                          
Debt instrument, unamortized discount           $ 137,000              
Repayment of secured notes           2,627,000 $ 11,750,000            
Gain (loss) on extinguishment of debt           $ 0 $ (4,904,000)            
Common stock, shares issued           24,607,630 12,993,962            
At-the-market offering, company may offer to sell, january 31, 2024 amendment                       $ 75,000,000  
Exercise price per warrant (in dollars per share)                   $ 183.75      
Outstanding debt           $ 34,388,000              
Subsequent Event                          
Debt Instrument [Line Items]                          
Repayment of secured notes $ 3,200,000                        
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           $ 500,000              
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           $ 100,000              
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       666,667                  
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           $ 400,000              
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                     41,808    
Exercise price per warrant (in dollars per share)                     $ 239.22    
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     110,000                    
Exercise price per warrant (in dollars per share)     $ 45.00                    
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   12,343,423                      
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