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Earnings Per Share (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Numerator:
Net income attributable to common shareholders	$ 126,613	$ 745,920	$ 580,292	$ 1,754,810
Denominator:
Weighted-average shares outstanding – basic (in shares)	16,604,682	17,544,905	16,811,360	17,730,715
Dilutive effect of other securities (in shares)	391,694	303,205	382,494	259,846
Weighted-average shares outstanding – diluted (in shares)	16,996,376	17,848,110	17,193,854	17,990,561

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