Earnings Per Share (Details) (USD $)	3 Months Ended	9 Months Ended
Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Basic income per share
Net income for the period - numerator	$ 3,372,944	$ 5,534,844	$ 9,478,346	$ 9,494,035
Weighted average common stock outstanding - denominator	18,923,374	18,456,900	18,909,001	18,457,879
Net income per share	$ 0.18	$ 0.30	$ 0.50	$ 0.51
Diluted income per share
Net income for the period - numerator	$ 3,372,944	$ 5,534,844	$ 9,478,346	$ 9,494,035
Weighted average common stock outstanding - denominator	18,923,374	18,456,900	18,909,001	18,457,879
Effect of dilution
Weighted average common stock outstanding - denominator	18,923,374	18,456,900	18,909,001	18,457,879
Diluted income per share	$ 0.18	$ 0.30	$ 0.50	$ 0.51

Weighted average number of shares outstanding, diluted, Gross.

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation.

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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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