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Earnings (Loss) Per Share (Schedule of Computation of Numerator and Denominator in Earnings Per Share) (Details) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Numerator:
Net income (loss) attributable to common shareholders	$ (2,220,097)	$ (1,643,044)	$ (720,688)	$ (2,379,239)	$ (800,545)	$ (743,031)	$ (5,160,611)	$ (1,274,446)	$ (6,963,068)	$ (7,978,633)	$ (944,683)
Denominator:
Weighted-average shares outstanding – basic (in shares)									15,614,052	15,911,577	16,236,525
Dilutive effect of restricted stock and stock options (in shares)									0	0	0
Weighted-average shares outstanding – diluted (in shares)									15,614,052	15,911,577	16,236,525

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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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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