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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, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Accounting Policies [Abstract]
Net income	$ 8,109,729	$ 4,113,216	$ 15,348,593	$ 13,088,997
Basic: Weighted-average common shares outstanding during the period	38,368,267	34,560,743	38,368,267	34,560,743
Add: Dilutive effect of stock options	594,887	139,246	317,343	396,476
Diluted	38,963,154	34,699,989	38,685,610	34,957,219
Basic	$ 0.21	$ 0.12	$ 0.4	$ 0.38
Diluted	$ 0.21	$ 0.12	$ 0.4	$ 0.37

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