v3.26.1
Stockholders' Equity (deficit) and Warrants - Private Placement of Preferred Shares and Warrants (Details)
$ / shares in Units, $ in Thousands
12 Months Ended
May 16, 2025
USD ($)
$ / shares
Y
Jan. 14, 2025
USD ($)
Y
$ / shares
item
D
shares
Dec. 31, 2025
USD ($)
Y
$ / shares
shares
Dec. 31, 2024
USD ($)
$ / shares
shares
Nov. 10, 2025
$ / shares
Y
shares
Nov. 07, 2025
USD ($)
Y
$ / shares
Nov. 03, 2025
$ / shares
Nov. 02, 2025
USD ($)
Stockholders' Equity and Warrants                
Series G Convertible Preferred Stock, authorized (in shares) | shares     4,000 4,000        
Series G Convertible Preferred Stock, par value (in dollars per share) | $ / shares     $ 0.01 $ 0.01        
Series G Convertible Preferred Stock, stated value (in dollars per share) | $ / shares     1,000 1,000        
Common stock, par value | $ / shares     $ 0.01 $ 0.01        
Conversion price | $ / shares   $ 1.496            
Registrable Securities as a percentage of purchase price   2.00%            
Registration rights agreement until the failure   30 days            
Threshold period for filing registration   30 days            
Registration delay payments   30 days            
Interest rate   1.50%            
Number of equal installments in which preferred stock | item   6            
Amortization payment   107.00%            
Minimum percentage of common stock price to conversion price   80.00%            
Number of lowest closing prices | item   3            
Number of consecutive trading days | D   30            
Preferred stock redemption, pricing adjustment, floor price | $ / shares   $ 0.167            
Preferred stock redemption, pricing adjustment, percentage of minimum price   20.00%            
Dividend rate percentage   8.00%            
Percentage of aggregate amount payables associated with outstanding preferred stock   200.00%            
Conversion price | $ / shares   $ 1.36            
Derivatives   $ 1,315 $ 3,870     $ 234   $ 865
Redemption discount     4,000          
Warrant liability allocated     2,685          
Loss on shares issuance     3,188          
Cash payable to investors     538          
Stated value of the Series G Preferred Shares     490          
Accrued dividends payable     13          
Cash premiums     35          
Noncash conversion of Series G convertible preferred stock     177          
Preferred dividends     509 $ 0        
Preferred dividends at the stated dividend rate     267          
Cash premiums     242          
Warrants $ 2,658 $ 5,900            
Threshold percentage on outstanding voting shares 50.00%              
Stock warrants modification $ 2,658   2,658          
Change in fair value of warrant liability     3,215          
Series G Convertible Preferred Stock                
Stockholders' Equity and Warrants                
Conversion price | $ / shares             $ 1  
Derivatives     $ 62          
Shares redeemed | shares     1,510          
Shares redeemed for cash     $ 1,794          
Issuance of common stock for Series G preferred stock installment redemption (in shares) | shares     304,621          
Noncash conversion of Series G convertible preferred stock     $ 177          
Share price                
Stockholders' Equity and Warrants                
Embedded derivative measurement input | $ / shares   1.37 0.46   0.86 0.84    
Warrants and rights outstanding, measurement input | $ / shares 0.91 1.37            
Share price | Series G Convertible Preferred Stock                
Stockholders' Equity and Warrants                
Embedded derivative measurement input | $ / shares     0.46          
Equity volatility                
Stockholders' Equity and Warrants                
Embedded derivative measurement input   0.86 0.82   0.81 0.76    
Warrants and rights outstanding, measurement input 0.82 1.14     0.79      
Equity volatility | Series G Convertible Preferred Stock                
Stockholders' Equity and Warrants                
Embedded derivative measurement input     0.80          
Expected Term                
Stockholders' Equity and Warrants                
Embedded derivative measurement input | Y   2 3.2   3.34 1.19    
Warrants and rights outstanding, measurement input | Y 4.67 5            
Expected Term | Series G Convertible Preferred Stock                
Stockholders' Equity and Warrants                
Embedded derivative measurement input | Y     1.04          
Discounted market interest rate                
Stockholders' Equity and Warrants                
Embedded derivative measurement input   0.064 0.066   0.061 0.054    
Discounted market interest rate | Series G Convertible Preferred Stock                
Stockholders' Equity and Warrants                
Embedded derivative measurement input     0.054          
Risk free rate                
Stockholders' Equity and Warrants                
Embedded derivative measurement input   0.0428 0.0351   0.0352 0.0355    
Warrants and rights outstanding, measurement input 0.0397 0.0449     0.0359      
Risk free rate | Series G Convertible Preferred Stock                
Stockholders' Equity and Warrants                
Embedded derivative measurement input     0.0342          
Expected Dividend Rate                
Stockholders' Equity and Warrants                
Embedded derivative measurement input   0.08       0.08    
Expected Dividend Rate | Series G Convertible Preferred Stock                
Stockholders' Equity and Warrants                
Embedded derivative measurement input     0.08          
Penalty Dividend Rate                
Stockholders' Equity and Warrants                
Embedded derivative measurement input   0.15       0.15    
Penalty Dividend Rate | Series G Convertible Preferred Stock                
Stockholders' Equity and Warrants                
Embedded derivative measurement input     0.15          
Probability of default                
Stockholders' Equity and Warrants                
Embedded derivative measurement input   0.099 0.165   0.132 0.037    
Probability of default | Series G Convertible Preferred Stock                
Stockholders' Equity and Warrants                
Embedded derivative measurement input     0.046          
Upon Occurrence and During Continuance of Triggering Event                
Stockholders' Equity and Warrants                
Dividend rate percentage   15.00%            
Series B warrants                
Stockholders' Equity and Warrants                
Aggregate shares | shares         2,673,797      
Warrants and rights outstanding, measurement input | $ / shares         1.795      
January 2025 Private Placement                
Stockholders' Equity and Warrants                
Series G Convertible Preferred Stock, authorized (in shares) | shares   4,000            
Series G Convertible Preferred Stock, par value (in dollars per share) | $ / shares   $ 0.01            
Series G Convertible Preferred Stock, stated value (in dollars per share) | $ / shares   $ 1,000            
Convertible shares issuable | shares   2,673,797            
Common stock, par value | $ / shares   $ 0.01            
Conversion price | $ / shares   1.496            
Shares Issued | $ / shares   $ 1,000            
Gross proceeds   $ 4,000            
Gross proceeds from private placement   2.00%            
Estimated fees and expenses   $ 255            
Gross proceeds from private placement   $ 3,745            
January 2025 Private Placement | Series A warrants                
Stockholders' Equity and Warrants                
Aggregate shares | shares   2,673,797            
Warrants exercise price | $ / shares   $ 1.496            
January 2025 Private Placement | Series B warrants                
Stockholders' Equity and Warrants                
Aggregate shares | shares   2,673,797            
Warrants exercise price | $ / shares   $ 1.7952