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Share-Based Compensation (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Jun. 01, 2021
May 31, 2021
Dec. 31, 2020
Jan. 31, 2020
Share-Based Compensation                
Options outstanding 961,653   961,653       1,111,466  
Shares available for future grants 1,168,664   1,168,664          
Options granted     0          
Share-based compensation expense     $ 31,969 $ 1,111,272        
Options, vested and exercisable             1,061,466  
Stock Options                
Share-Based Compensation                
Share-based compensation expense $ 7,992 $ 1,111,272 $ 31,970 $ 1,111,172        
Previous Plans                
Share-Based Compensation                
Options outstanding               352,282
2019 Plan                
Share-Based Compensation                
Shares authorized         2,000,000 1,000,000