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Earnings Per Share (Details) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Numerator:
Net income attributable to common shareholders	$ 46,281us-gaap_NetIncomeLoss	$ 286,320us-gaap_NetIncomeLoss
Denominator:
Weighted-average shares outstanding – basic (in shares)	17,012,852us-gaap_WeightedAverageNumberOfSharesOutstandingBasic	17,907,848us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Dilutive effect of other securities (in shares)	392,167us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment	253,832us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment
Weighted-average shares outstanding – diluted (in shares)	17,405,019us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding	18,161,680us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding

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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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Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

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