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1. BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 1) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Numerator
Net income	$ 10,679,422	$ 5,038,403	$ 26,769,953	$ 14,989,553
Denominator
Basic: Weighted-average common shares outstanding during the period	46,007,120	38,726,415	44,884,268	38,684,220
Add: Dilutive effect of stock options	898,242	570,919	969,862	621,755
Diluted	46,905,362	39,297,334	45,854,130	39,305,975
Net income per share
Basic	$ 0.23	$ 0.13	$ 0.60	$ 0.39
Diluted	$ 0.23	$ 0.13	$ 0.58	$ 0.38

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