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Earnings Per Common Share (EPS) (Details) - USD ($)
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Basic EPS Computation:    
Net (loss) income $ (392,897) $ 585,424
Weighted average number of common shares 8,782,452 8,995,103
Basic EPS $ (0.04) $ 0.07
Diluted EPS Computation:    
Net loss $ (392,897) $ 585,424
Weighted average number of common shares 8,782,452 8,995,103
Incremental shares from assumed conversions of stock options 0 108,057
Adjusted weighted average number of common shares 8,782,452 9,103,160
Diluted EPS $ (0.04) $ 0.06