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1. NATURE OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 2) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Numerator
Net income	$ 7,953,313	$ 36,225,831
Denominator
Basic: Weighted-average common shares outstanding during the year	46,796,476	46,279,033
Add: Dilutive effect of stock options	39,354	346,630
Diluted	46,835,830	46,625,663
Net income per share
Basic	$ 0.17	$ 0.78
Diluted	$ 0.17	$ 0.78

X

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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