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1. BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 2) (USD $)
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Accounting Policies [Abstract]    
Net income $ 14,995,503 $ 30,952,760
Basic: Weighted-average common shares outstanding during the period 34,706,356 34,660,866
Diluted 35,067,950 34,673,615
Basic $ 0.43 $ 0.89
Diluted $ 0.43 $ 0.89