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Earnings Per Share (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Basic income per share        
Net income for the period - numerator $ 15,917 $ 2,581,606 $ 1,723,786 $ 1,207,709
Weighted average common stock outstanding - denominator 21,450,316 21,450,316 21,450,316 21,381,404
Net income per share $ 0.00 $ 0.12 $ 0.08 $ 0.06
Diluted income per share        
Net income for the period - numerator $ 15,917 $ 2,581,606 $ 1,723,786 $ 1,207,709
Weighted average common stock outstanding - denominator 21,450,316 21,450,316 21,450,316 21,381,404
Effect of dilution
Weighted average common stock outstanding - denominator 21,450,316 21,450,316 21,450,316 21,381,404
Diluted income per share $ 0.00 $ 0.12 $ 0.08 $ 0.06