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Equity Compensation Plan Information (Narrative) (Details) - USD ($)
1 Months Ended 3 Months Ended
Mar. 26, 2021
Mar. 26, 2020
Jul. 31, 2020
Jun. 30, 2020
Mar. 31, 2021
Mar. 31, 2020
2018 Equity Plan [Member] | Maximum [Member]            
Maximum issuance of common stock options         325,000  
2018 Equity Plan [Member] | Director [Member]            
Shares issued to non employee directors       1,000    
Amount payable to non-employee directors       $ 10,000    
Fully-vested shares of common stock issued     916 13,160    
Fully vested shares of common stock issued, per share value     $ 11.22 $ 14.52    
Stock compensation expense         $ 70,216 $ 66,983
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           $ 12.54
Stock compensation expense         $ 26,127 $ 31,242
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           19,934
Time-vested Shares [Member] | Long-Term Incentive Plan [Member]            
Share-based compensation shares of common stock granted           5,070
Shares-based compensation shares of common stock issued 1,690          
Unvested Restricted Stock Units [Member] | Long-Term Incentive Plan [Member]            
Unrecognized compensation expense related to unvested units         $ 162,427