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Equity - Non-Option Incentive (Details)
3 Months Ended 9 Months Ended
Sep. 30, 2022
USD ($)
$ / shares
shares
Jun. 30, 2022
shares
Mar. 31, 2022
$ / shares
shares
Sep. 30, 2021
USD ($)
Sep. 30, 2022
USD ($)
employee
$ / shares
shares
Sep. 30, 2021
USD ($)
shares
Number of Shares - Non-option            
Percentage of awards which will vest on each of the first, second and third anniversaries of the grant date         33.33%  
Number of shares issued upon retirement of an officer         1,123,380  
Number of shares relinquished to cover withholding taxes         456,620  
Weighted Average Grant Date Fair Value Per Share - Non-option            
Compensation expense | $ $ 194,000     $ 75,000 $ 543,000 $ 1,491,000
Restricted Stock [Member]            
Number of Shares - Non-option            
Outstanding at beginning of year (in shares)     293,334   293,334  
Granted during the period (in shares)         550,000  
Restrictions lifted during the period (in shares)         (348,332)  
Forfeited during the period (in shares)          
Outstanding at end of year (in shares) 495,002       495,002  
Weighted Average Grant Date Fair Value Per Share - Non-option            
Outstanding at beginning of year (in dollars per share) | $ / shares     $ 0.61   $ 0.61  
Granted during the period (in dollars per share) | $ / shares         0.38  
Restrictions lifted during the period (in dollars per share) | $ / shares         0.49  
Forfeited during the period (in dollars per share) | $ / shares          
Outstanding at end of year (in dollars per share) | $ / shares $ 0.44       $ 0.44  
Restricted Stock Units (RSUs) [Member] | Chief Executive Officer [Member]            
Number of Shares - Non-option            
Granted during the period (in shares) 1,000,000          
Weighted Average Grant Date Fair Value Per Share - Non-option            
Compensation expense | $         $ 63,000  
Units [Member]            
Number of Shares - Non-option            
Outstanding at beginning of year (in shares)     5,330,000   5,330,000  
Granted during the period (in shares)           1,605,000
Outstanding at end of year (in shares) 4,700,000       4,700,000  
Weighted Average Grant Date Fair Value Per Share - Non-option            
Compensation expense | $           $ 1,000,000.0
Equity Incentive Plan [Member] | Restricted Stock [Member]            
Number of Shares - Non-option            
Granted during the period (in shares)         500,000  
Weighted Average Grant Date Fair Value Per Share - Non-option            
Compensation expense | $         $ 163,000  
Equity Incentive Plan [Member] | Restricted Stock [Member] | New Employee [Member]            
Number of Shares - Non-option            
Granted during the period (in shares)         50,000  
Percentage of awards which will vest on each of the first, second and third anniversaries of the grant date         33.33%  
Non Employee Directors Deferred Compensation and Equity Award Plan [Member] | Restricted Stock [Member] | Employees            
Number of Shares - Non-option            
Restrictions lifted during the period (in shares)         (181,666)  
Non Employee Directors Deferred Compensation and Equity Award Plan [Member] | Restricted Stock Units (RSUs) [Member]            
Number of Shares - Non-option            
Outstanding at beginning of year (in shares)     4,010,038   4,010,038  
Granted during the period (in shares)         1,700,000  
Restrictions lifted during the period (in shares)          
Forfeited during the period (in shares)          
Outstanding at end of year (in shares) 5,710,038       5,710,038  
Weighted Average Grant Date Fair Value Per Share - Non-option            
Outstanding at beginning of year (in dollars per share) | $ / shares     $ 0.69   $ 0.69  
Granted during the period (in dollars per share) | $ / shares         0.40  
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       $ 0.60  
Compensation expense | $         $ 244,000  
Non Employee Directors Deferred Compensation and Equity Award Plan [Member] | Restricted Stock Units (RSUs) [Member] | Consultant            
Number of Shares - Non-option            
Granted during the period (in shares)           100,000
Weighted Average Grant Date Fair Value Per Share - Non-option            
Compensation expense | $           $ 67,000
Number of unrestricted shares Director to receive for vested RSU upon termination from board           1
Non Employee Directors Deferred Compensation and Equity Award Plan [Member] | Restricted Stock Units (RSUs) [Member] | Director            
Number of Shares - Non-option            
Granted during the period (in shares)         100,000  
Weighted Average Grant Date Fair Value Per Share - Non-option            
Compensation expense | $         $ 94,000  
Key Employee Long Term Incentive Plan [Member]            
Number of Shares - Non-option            
Granted during the period (in shares)     450,000      
Weighted Average Grant Date Fair Value Per Share - Non-option            
Compensation expense | $         97,000  
Key Employee Long Term Incentive Plan [Member] | Another new officer [Member]            
Number of Shares - Non-option            
Granted during the period (in shares)   500,000        
Weighted Average Grant Date Fair Value Per Share - Non-option            
Compensation expense | $         $ 39,000  
Restricted Stock [Member] | Equity Incentive Plan [Member] | Employees            
Weighted Average Grant Date Fair Value Per Share - Non-option            
Number of employees | employee         9  
Restricted Stock [Member] | Non Employee Directors Deferred Compensation and Equity Award Plan [Member] | Employees            
Weighted Average Grant Date Fair Value Per Share - Non-option            
Number of employees | employee         9  
Vesting immediately            
Number of Shares - Non-option            
Percentage of awards which will vest on each of the first, second and third anniversaries of the grant date         33.33%  
Vest on first anniversary | Restricted Stock Units (RSUs) [Member] | Chief Executive Officer [Member]            
Number of Shares - Non-option            
Percentage of awards which will vest on each of the first, second and third anniversaries of the grant date         50.00%  
Vest on second anniversary | Restricted Stock Units (RSUs) [Member] | Chief Executive Officer [Member]            
Number of Shares - Non-option            
Percentage of awards which will vest on each of the first, second and third anniversaries of the grant date         50.00%