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Shareholders Equity - Stock Option Activity, Narrative (Details) - Stock option - USD ($)
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Share Compensation Plan          
Unrecognized stock based compensation to be recognized over a period $ 0   $ 0   $ 0
Aggregate intrinsic value of options outstanding 0   0   $ 0
Stock based compensation expense $ 0 $ 0 $ 0 $ 1,867  
Granted (in shares)     0   0