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Equity Compensation Plan Information (Narrative) (Details) - USD ($)
1 Months Ended 3 Months Ended 9 Months Ended
Mar. 26, 2021
Mar. 26, 2020
May 31, 2021
Jul. 31, 2020
Jun. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Director [Member]                  
Amount payable to non-employee directors           $ 10,000   $ 10,000  
2018 Equity Plan [Member] | Maximum [Member]                  
Maximum issuance of common stock options           325,000   325,000  
2018 Equity Plan [Member] | Director [Member]                  
Fully-vested shares of common stock issued     12,726 916 13,160        
Fully vested shares of common stock issued, per share value     $ 18.50 $ 11.22 $ 14.52        
Stock compensation expense           $ 58,857 $ 52,114 $ 191,717 $ 158,795
Long-Term Incentive Plan [Member]                  
Stock compensation expense           26,127 $ 31,243 $ 78,381 $ 93,727
Restricted Stock Units (RSUs) [Member] | Officers [Member] | Share-based Payment Arrangement, Tranche One [Member]                  
Share-based compensation performance based award, percent               50.00%  
Restricted Stock Units (RSUs) [Member] | Officers [Member] | Share-based Payment Arrangement, Tranche Two [Member]                  
Share-based compensation performance based award, percent               150.00%  
Restricted Stock Units (RSUs) [Member] | Long-Term Incentive Plan [Member]                  
Shares of common stock grant date fair market value     $ 17.93           $ 12.54
Stock compensation expense           16,571   $ 27,619  
Restricted Stock Units (RSUs) [Member] | Long-Term Incentive Plan [Member] | Share-based Payment Arrangement, Tranche One [Member]                  
Share-based compensation award vesting period   3 years              
Restricted Stock Units (RSUs) [Member] | Long-Term Incentive Plan [Member] | Share-based Payment Arrangement, Tranche Two [Member]                  
Share-based compensation award vesting period               3 years  
Performance Vested Shares [Member] | Long-Term Incentive Plan [Member]                  
Share-based compensation shares of common stock granted     7,389           19,934
Time-vested Shares [Member] | Long-Term Incentive Plan [Member]                  
Share-based compensation shares of common stock granted     3,693           5,070
Shares-based compensation shares of common stock issued 1,690                
Unvested Restricted Stock Units [Member] | Long-Term Incentive Plan [Member] | Year 2020 [Member]                  
Unrecognized compensation expense related to unvested units           110,173   $ 110,173  
Unvested Restricted Stock Units [Member] | Long-Term Incentive Plan [Member] | Year 2021 [Member]                  
Unrecognized compensation expense related to unvested units           $ 171,235   $ 171,235