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Consolidated Statements of Stockholders' Equity
$ in Thousands
Common Stock
Employees
shares
Common Stock
Consultants
shares
Common Stock
Director
shares
Common Stock
USD ($)
shares
Paid-in Capital
Employees
USD ($)
Paid-in Capital
Consultants
USD ($)
Paid-in Capital
USD ($)
Accumulated Deficit
USD ($)
Noncontrolling Interest
USD ($)
Employees
USD ($)
Consultants
USD ($)
USD ($)
Balances at Dec. 31, 2022       $ 2     $ 103,610 $ (32,797) $ (676)     $ 70,139
Balances (in shares) at Dec. 31, 2022 | shares       1,962,396                
Increase (Decrease) in Stockholders' Equity [Roll Forward]                        
Compensation expense related to stock options and restricted stock             161         161
Contra-revenue related to warrants held by licensee             26         26
Shares issued in connection with stock grant         $ 10         $ 10    
Shares issued in connection with stock grant (in shares) | shares 730                      
Shares issued in connection with restricted stock grants (in shares) | shares     4,000                  
Forfeitures of restricted stock grants | shares       (500)                
Shares issued to consultant in connection with stock grant           $ 45         $ 45  
Shares issued to consultant in connection with stock grant (in shares) | shares   6,666                    
Shares issued on exercises of stock options, net of shares surrendered for cashless exercises             27         27
Shares issued on exercises of stock options, net of shares surrendered for cashless exercises (in shares) | shares       6,121                
Net income (loss)               (21,052) (1,185)     (22,237)
Balances at Dec. 31, 2023       $ 2     103,879 (53,849) (1,861)     48,171
Balances (in shares) at Dec. 31, 2023 | shares       1,979,413                
Increase (Decrease) in Stockholders' Equity [Roll Forward]                        
Compensation expense related to stock options and restricted stock             138         138
Contra-revenue related to warrants held by licensee             38         38
Shares issued in connection with stock grant         $ 10 $ 98       $ 10 $ 98  
Shares issued in connection with stock grant (in shares) | shares 1,468 7,800                    
Shares issued in connection with restricted stock grants (in shares) | shares     4,000                  
Share issued to executives for pro rata portion of base salaries, net of withholding taxes             120         120
Shares issued to executives for pro rata portion of base salaries, net of withholding taxes (in shares) | shares       17,502                
Shares issued in connection with public offering and private placement transactions, net of transaction costs             1,902         1,902
Shares issued in connection with public offering and private placement transactions, net of transaction costs (in shares) | shares       357,889                
Warrants issued in connection with refinancing of term loan debt             481         481
Net income (loss)               (22,395) (165)     (22,560)
Balances at Dec. 31, 2024       $ 2     $ 106,666 $ (76,244) $ (2,026)     $ 28,398
Balances (in shares) at Dec. 31, 2024 | shares       2,368,072                
Increase (Decrease) in Stockholders' Equity [Roll Forward]                        
Reverse stock split ratio                       0.1