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Earnings (Loss) Per Share (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Numerator:
Net income (loss) attributable to common shareholders	$ 745,920	$ (819,942)	$ 1,754,810	$ (604,251)
Denominator:
Weighted-average shares outstanding – basic (in shares)	17,544,905	18,233,407	17,730,715	18,420,465
Dilutive effect of other securities (in shares)	303,205	0	259,846	0
Weighted-average shares outstanding – diluted (in shares)	17,848,110	18,233,407	17,990,561	18,420,465

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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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