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Earnings (Loss) Per Share (Tables)
3 Months Ended
Mar. 31, 2018
Earnings Per Share [Abstract]  
Reconciliation of numerator and denominator
The following table reconciles the numerator and denominator used to calculate diluted earnings (loss) per share for the three months ended March 31, 2018 and 2017:
Three months ended March 31, 
20182017
Numerator: 
Net income (loss) attributable to common shareholders $(2,379,239)$(1,274,446)
Denominator: 
Weighted-average shares outstanding – basic 15,689,240 16,042,219 
Dilutive effect of other securities — — 
Weighted-average shares outstanding – diluted 15,689,240 16,042,219