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Earnings Per Share (Details) - $ / shares
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Basic and diluted earnings per share        
Weighted average number of common shares - Basic and diluted 14,801,770 14,798,198 14,801,770 14,796,527
Earnings per share - Basic and diluted $ (0.07) $ 0.22 $ 0.02 $ 0.47