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Stockholders' Equity - Stock-based Compensation (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Stockholders' Equity        
Compensation expense $ 50 $ 160 $ 670 $ 750
Operating cost $ 51 163 568 754
Reduction in other income     100  
Costs and Expenses.        
Stockholders' Equity        
Operating cost     570  
Non Management Directors        
Stockholders' Equity        
Compensation expense   50 260 120
Employee        
Stockholders' Equity        
Compensation expense   $ 110 $ 410 $ 630