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Equity - Non-Option Incentive (Details)
3 Months Ended
Mar. 31, 2023
USD ($)
employee
$ / shares
shares
Mar. 31, 2022
USD ($)
Weighted Average Grant Date Fair Value Per Share - Non-option    
Compensation expense | $ $ 189,000 $ 149,000
Restricted Stock [Member]    
Number of Shares - Non-option    
Outstanding at beginning of year (in shares) 495,002  
Granted during the period (in shares)  
Restrictions lifted during the period (in shares) (33,335)  
Forfeited during the period (in shares)  
Outstanding at end of year (in shares) 461,667  
Weighted Average Grant Date Fair Value Per Share - Non-option    
Outstanding at beginning of year (in dollars per share) | $ / shares $ 0.44  
Granted during the period (in dollars per share) | $ / shares  
Restrictions lifted during the period (in dollars per share) | $ / shares 0.45  
Forfeited during the period (in dollars per share) | $ / shares  
Outstanding at end of year (in dollars per share) | $ / shares $ 0.44  
Restricted Stock [Member] | Employees    
Number of Shares - Non-option    
Restrictions lifted during the period (in shares) (33,335)  
Weighted Average Grant Date Fair Value Per Share - Non-option    
Number of employees | employee 2  
Restricted Stock Units (RSUs) [Member]    
Number of Shares - Non-option    
Outstanding at beginning of year (in shares) 5,710,038  
Restrictions lifted during the period (in shares)  
Forfeited during the period (in shares)  
Outstanding at end of year (in shares) 5,710,038  
Weighted Average Grant Date Fair Value Per Share - Non-option    
Outstanding at beginning of year (in dollars per share) | $ / shares $ 0.60  
Granted during the period (in dollars per share) | $ / shares  
Restrictions lifted during the period (in dollars per share) | $ / shares  
Forfeited during the period (in dollars per share) | $ / shares  
Outstanding at end of year (in dollars per share) | $ / shares $ 0.60  
Number of unrestricted shares Director to receive for vested RSU upon termination from board 1  
Units [Member] | Officers [Member]    
Number of Shares - Non-option    
Outstanding at beginning of year (in shares) 4,700,000  
Outstanding at end of year (in shares) 4,700,000  
Weighted Average Grant Date Fair Value Per Share - Non-option    
Compensation expense | $ $ 39,000  
Equity Incentive Plan [Member] | Restricted Stock [Member]    
Weighted Average Grant Date Fair Value Per Share - Non-option    
Compensation expense | $ 33,000  
Non Employee Directors Deferred Compensation and Equity Award Plan [Member] | Restricted Stock Units (RSUs) [Member]    
Weighted Average Grant Date Fair Value Per Share - Non-option    
Compensation expense | $ $ 117,000