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Earnings (Loss) Per Share (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Numerator:
Net income (loss) attributable to common shareholders	$ (720,688)	$ (5,160,611)	$ (3,099,927)	$ (6,435,057)
Denominator:
Weighted-average shares outstanding – basic (in shares)	15,674,954	16,011,758	15,682,348	16,026,935
Dilutive effect of other securities (in shares)	0	0	0	0
Weighted-average shares outstanding – diluted (in shares)	15,674,954	16,011,758	15,682,348	16,026,935

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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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