v3.26.1
Consolidated Statements of Stockholders' (Deficit) Equity - USD ($)
shares in Thousands, $ in Thousands
Preferred Stock [Member]
Conversion of Series B Preferred Stock to Common Stock [Member]
Preferred Stock [Member]
Conversion of Series C Preferred Stock to Common Stock [Member]
Preferred Stock [Member]
Conversion of Series D Preferred Stock Into Common Stock [Member]
Preferred Stock [Member]
Conversion of Series E Preferred Stock Into Common Stock [Member]
Preferred Stock [Member]
Series D Preferred Stock [Member]
Preferred Stock [Member]
Series E Preferred Stock [Member]
Preferred Stock [Member]
Series F Preferred Stock [Member]
Preferred Stock [Member]
Redeemable Preferred Stock [Member]
Preferred Stock [Member]
The 2024 Warrant Reprice Transaction [Member]
Preferred Stock [Member]
The December 2023 Warrants [Member]
Preferred Stock [Member]
March 2024 Warrant [Member]
Preferred Stock [Member]
Prefunded Warrants 2024 Public Offering [Member]
Preferred Stock [Member]
The 2024 Public Offering [Member]
Preferred Stock [Member]
Employees and Directors [Member]
Preferred Stock [Member]
Common Stock [Member]
Conversion of Series B Preferred Stock to Common Stock [Member]
Common Stock [Member]
Conversion of Series C Preferred Stock to Common Stock [Member]
Common Stock [Member]
Conversion of Series D Preferred Stock Into Common Stock [Member]
Common Stock [Member]
Conversion of Series E Preferred Stock Into Common Stock [Member]
Common Stock [Member]
Series C Preferred Stock [Member]
Common Stock [Member]
Series D Preferred Stock [Member]
Common Stock [Member]
Series E Preferred Stock [Member]
Common Stock [Member]
Series F Preferred Stock [Member]
Common Stock [Member]
The 2024 Warrant Reprice Transaction [Member]
Common Stock [Member]
The December 2023 Warrants [Member]
Common Stock [Member]
March 2024 Warrant [Member]
Common Stock [Member]
Prefunded Warrants 2024 Public Offering [Member]
Common Stock [Member]
The 2024 Public Offering [Member]
Common Stock [Member]
Employees and Directors [Member]
Common Stock [Member]
Additional Paid-in Capital [Member]
Conversion of Series B Preferred Stock to Common Stock [Member]
Additional Paid-in Capital [Member]
Conversion of Series C Preferred Stock to Common Stock [Member]
Additional Paid-in Capital [Member]
Conversion of Series D Preferred Stock Into Common Stock [Member]
Additional Paid-in Capital [Member]
Conversion of Series E Preferred Stock Into Common Stock [Member]
Additional Paid-in Capital [Member]
Series C Preferred Stock [Member]
Additional Paid-in Capital [Member]
Series D Preferred Stock [Member]
Additional Paid-in Capital [Member]
Series E Preferred Stock [Member]
Additional Paid-in Capital [Member]
Series F Preferred Stock [Member]
Additional Paid-in Capital [Member]
The 2024 Warrant Reprice Transaction [Member]
Additional Paid-in Capital [Member]
The December 2023 Warrants [Member]
Additional Paid-in Capital [Member]
March 2024 Warrant [Member]
Additional Paid-in Capital [Member]
Prefunded Warrants 2024 Public Offering [Member]
Additional Paid-in Capital [Member]
The 2024 Public Offering [Member]
Additional Paid-in Capital [Member]
Employees and Directors [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Conversion of Series B Preferred Stock to Common Stock [Member]
Retained Earnings [Member]
Conversion of Series C Preferred Stock to Common Stock [Member]
Retained Earnings [Member]
Conversion of Series D Preferred Stock Into Common Stock [Member]
Retained Earnings [Member]
Conversion of Series E Preferred Stock Into Common Stock [Member]
Retained Earnings [Member]
Series C Preferred Stock [Member]
Retained Earnings [Member]
Series D Preferred Stock [Member]
Retained Earnings [Member]
Series E Preferred Stock [Member]
Retained Earnings [Member]
Series F Preferred Stock [Member]
Retained Earnings [Member]
The 2024 Warrant Reprice Transaction [Member]
Retained Earnings [Member]
The December 2023 Warrants [Member]
Retained Earnings [Member]
March 2024 Warrant [Member]
Retained Earnings [Member]
Prefunded Warrants 2024 Public Offering [Member]
Retained Earnings [Member]
The 2024 Public Offering [Member]
Retained Earnings [Member]
Employees and Directors [Member]
Retained Earnings [Member]
Conversion of Series B Preferred Stock to Common Stock [Member]
Conversion of Series C Preferred Stock to Common Stock [Member]
Conversion of Series D Preferred Stock Into Common Stock [Member]
Conversion of Series E Preferred Stock Into Common Stock [Member]
Series C Preferred Stock [Member]
Series D Preferred Stock [Member]
Series E Preferred Stock [Member]
Series F Preferred Stock [Member]
The 2024 Warrant Reprice Transaction [Member]
The December 2023 Warrants [Member]
March 2024 Warrant [Member]
Prefunded Warrants 2024 Public Offering [Member]
The 2024 Public Offering [Member]
Employees and Directors [Member]
Total
Balance (in shares) at Dec. 31, 2023                             7                             64                                                                                          
Balance at Dec. 31, 2023                             $ 1,950                             $ 1                             $ 176,212                             $ (174,849)                             $ 3,314
Net loss                             0                             0                             0                             (7,223)                             (7,223)
Conversion of Preferred Stock to common stock (in shares) (5) (1)                           125 41                                                                                                                    
Conversion of Preferred Stock to common stock $ (268) $ (1,676)                           $ 1 $ 0                           $ 267 $ 1,676                           $ 0 $ 0                           $ 0 $ 0                          
Adjustment of Preferred Stock conversion price                                       $ 0                             $ 380                             $ (380)                             $ 0                    
Adjustment to Additional Paid in Capital, Modification of Warrant                 $ 0                             $ 0                             $ 69           1,005                 $ 0           (1,005)                 $ 69           0
Stock Issued In Connection with Exercise of Warrants, Shares (in shares)                 0     0                       18     409                                                                                                
Stock Issued In Connection with Exercise of Warrants, Value                 $ 0     $ 0                       $ 0     $ 5 $ 299                     $ 130     $ 16                       $ 0     $ 0                       $ 130     $ 21      
Reclassification of Warrants from liability                   $ 0 $ 0                           $ 0 $ 0                           $ 212 $ 100                           $ 0 $ 0                           $ 212 $ 100        
Reclassification of embedded derivative liability                             $ 0                             $ 0                             242                             0                             242
Shares issued for 35:1 reverse stock split due to rounding feature (in shares)                             0                             21                                                                                          
Shares issued for 35:1 reverse stock split due to rounding feature                             $ 0                             $ 0                             0                             0                             0
Issuance of common stock and pre-funded warrants in the 2024 Public Offering, net of issuance cost (in shares)                         0                                                                                                                            
Issuance of common stock and pre-funded warrants in the 2024 Public Offering, net of issuance cost                         $ 0                             $ 3                             $ 2,855                             $ 0                             $ 2,858    
Stock-based compensation expense related to employee and director stock awards                           $ 0                             $ 0                             $ 148                             $ 0                             $ 148  
Issuance of Preferred Stock                                                                                                                                       $ 0              
Deemed Capital Contribution pursuant to Series F Agreements                                                                                                                                                     0
Balance (in shares) at Dec. 31, 2024                             1                             977                                                                                          
Balance at Dec. 31, 2024                             $ 6                             $ 10                             183,312                             (183,457)                             (129)
Net loss                             $ 0                             $ 0                             0                             (22,141)                             (22,141)
Conversion of Preferred Stock to common stock (in shares)     (481) (269)                     0     15,400 8,600                     14                                                                                          
Conversion of Preferred Stock to common stock     $ (3,786) $ (2,049)                     $ 0     $ 154 $ 86                     $ 0     $ 3,632 $ 1,963                     246     $ 0 $ 0                     0     $ 0 $ 0                     246
Stock Issued In Connection with Exercise of Warrants, Shares (in shares)                             0                             224                                                                                          
Stock Issued In Connection with Exercise of Warrants, Value                             $ 0                             $ 2                             850                             0                             852
Stock-based compensation expense related to employee and director stock awards                           $ 0                             $ 0                             $ 29                             $ 0                             $ 29  
Issuance of Preferred Stock (in shares)         481 269 1,987                           0 0 0                                                                                                        
Issuance of Preferred Stock         $ 3,786 $ 2,049 $ 525                           $ 0 $ 0 $ 0                         $ 0 $ 0                           $ 0 $ 0 $ 0                         $ 3,786 $ 2,049 1,484              
Issuance of Preferred Stock                                                                           $ (1,484)                                                           (1,484)              
Deemed Capital Contribution pursuant to Series F Agreements                                                                           434                                                           434             434
Redemption of Series F Preferred Stock (in shares)             (640)                               0                                                                                                        
Redemption of Series F Preferred Stock             $ (175)                               $ 0                             $ 0                             $ 0                             $ 0              
Repurchase of Warrants                                                           $ 0                             (2,001)                             0                             (2,001)
Vesting of director restricted stock awards (in shares)                             0                             1                                                                                          
Vesting of director restricted stock awards                             $ 0                             $ 0                             0                             0                             0
Dividend Paid                             $ 0                             $ 0                             0                             (4,817)                             (4,817)
Balance (in shares) at Dec. 31, 2025               1,347             1                             25,216                                                                                          
Balance at Dec. 31, 2025               $ 350             $ 6                             $ 252                             $ 186,981                             $ (210,415)                             $ (23,176)