v3.26.1
Stockholders' Equity and Warrants - Private Placement of Preferred Shares and Warrants (Details)
 6 Months Ended
Mar. 03, 2026
shares
Feb. 24, 2026
USD ($)
Y
$ / shares
shares
Jan. 27, 2026
tranche
shares
Jun. 30, 2026
USD ($)
$ / shares
shares
Jun. 30, 2025
USD ($)
Mar. 02, 2026
$ / shares
USD ($)
Dec. 31, 2025
$ / shares
shares
Stockholders' Equity and Warrants              
Series H Convertible Preferred Stock, shares authorized | shares       35,000     35,000
Series H Convertible Preferred Stock, par value per share | $ / shares       $ 0.01     $ 0.01
Series H Convertible Preferred Stock, stated value per share | $ / shares       $ 1,000     $ 1,000
Convertible shares issuable | shares   66,665,957          
Conversion price | $ / shares   $ 0.47          
Aggregate shares | shares   66,665,957          
Proceeds from Series H Preferred Stock in private placement, net of offering costs | $       $ 28,269,000 $ 3,745,000    
Remaining contractual term       2 years 9 months 21 days     4 years 2 months 4 days
Series H Convertible Preferred Stock, shares issued | shares       31,333     0
Percentage Of Cash Placement Agent Fee Payable   8.00%          
Threshold percentage of allowance for non-accountable expense reimbursable to placement agent   1.00%          
Out of pocket expenses reimbursable to placement agent | $   $ 250,000          
Series H Convertible Preferred Stock              
Stockholders' Equity and Warrants              
Threshold beneficial ownership percentage   4.99%          
Notice period to request for the increased beneficial ownership percentage   61 days          
Increased beneficial ownership percentage cap   9.99%          
Placement Agent Warrants              
Stockholders' Equity and Warrants              
Remaining contractual term   5 years          
Percentage of securities called by warrants   8.00%          
Share price              
Stockholders' Equity and Warrants              
Warrants and rights outstanding, measurement input | $ / shares           1.7  
Expected Term              
Stockholders' Equity and Warrants              
Warrants and rights outstanding, measurement input | $           3.87  
Equity volatility              
Stockholders' Equity and Warrants              
Warrants and rights outstanding, measurement input           103  
Risk free rate              
Stockholders' Equity and Warrants              
Warrants and rights outstanding, measurement input           3.49  
Series H Warrants              
Stockholders' Equity and Warrants              
Threshold beneficial ownership percentage   4.99%          
Notice period to request for the increased beneficial ownership percentage   61 days          
Increased beneficial ownership percentage cap   9.99%          
Series H Placement Agent Warrants              
Stockholders' Equity and Warrants              
Aggregate shares | shares   5,333,277          
Remaining contractual term   5 years          
February 2026 Private Placement              
Stockholders' Equity and Warrants              
Proceeds from Series H Preferred Stock in private placement, net of offering costs | $   $ 28,269,000          
Number of tranches | tranche     2        
Estimated fees and expenses | $   $ 10,216,000          
February 2026 Private Placement | Series H Convertible Preferred Stock              
Stockholders' Equity and Warrants              
Series H Convertible Preferred Stock, shares authorized | shares   31,333          
Series H Convertible Preferred Stock, par value per share | $ / shares   $ 0.01          
Series H Convertible Preferred Stock, stated value per share | $ / shares   1,000          
Warrants exercise price | $ / shares   $ 0.345          
Proceeds from Series H Preferred Stock in private placement, net of offering costs | $   $ 31,300,000   $ 28,269,000      
February 2026 Private Placement | Series H Warrants              
Stockholders' Equity and Warrants              
Remaining contractual term   3 years          
February 2026 Private Placement | Series H Placement Agent Warrants              
Stockholders' Equity and Warrants              
Estimated fees and expenses | $   $ 7,152,000          
Private Placement, Tranche One              
Stockholders' Equity and Warrants              
Estimated fees and expenses | $   $ 7,048,000          
Private Placement, Tranche One | Series H Convertible Preferred Stock              
Stockholders' Equity and Warrants              
Series H Convertible Preferred Stock, shares issued | shares     30,832        
Private Placement, Tranche One | Series H Warrants              
Stockholders' Equity and Warrants              
Number of warrants issued | shares     65,600,000        
Private Placement, Tranche One | Series H Placement Agent Warrants | Share price              
Stockholders' Equity and Warrants              
Warrants and rights outstanding, measurement input | $ / shares   1.49          
Private Placement, Tranche One | Series H Placement Agent Warrants | Expected Term              
Stockholders' Equity and Warrants              
Warrants and rights outstanding, measurement input | Y   5          
Private Placement, Tranche One | Series H Placement Agent Warrants | Equity volatility              
Stockholders' Equity and Warrants              
Warrants and rights outstanding, measurement input   101          
Private Placement, Tranche One | Series H Placement Agent Warrants | Risk free rate              
Stockholders' Equity and Warrants              
Warrants and rights outstanding, measurement input   3.5          
Private Placement, Tranche Two              
Stockholders' Equity and Warrants              
Estimated fees and expenses | $   $ 104,000          
Private Placement, Tranche Two | Series H Convertible Preferred Stock              
Stockholders' Equity and Warrants              
Series H Convertible Preferred Stock, shares issued | shares 501            
Private Placement, Tranche Two | Series H Warrants              
Stockholders' Equity and Warrants              
Number of warrants issued | shares 1,065,957            
Private Placement, Tranche Two | Series H Placement Agent Warrants | Share price              
Stockholders' Equity and Warrants              
Warrants and rights outstanding, measurement input | $ / shares   1.37          
Private Placement, Tranche Two | Series H Placement Agent Warrants | Expected Term              
Stockholders' Equity and Warrants              
Warrants and rights outstanding, measurement input | Y   5          
Private Placement, Tranche Two | Series H Placement Agent Warrants | Equity volatility              
Stockholders' Equity and Warrants              
Warrants and rights outstanding, measurement input   100          
Private Placement, Tranche Two | Series H Placement Agent Warrants | Risk free rate              
Stockholders' Equity and Warrants              
Warrants and rights outstanding, measurement input   3.6          
Private Placement | Series H Convertible Preferred Stock              
Stockholders' Equity and Warrants              
Conversion price | $ / shares   $ 0.47