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EARNINGS (LOSS) PER SHARE (Details) (USD $)
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Numerator:    
Net income available to common shareholdersic $ 1,083,595 $ 1,574,273
Denominator:    
Weighted-average common shares outstanding 17,079,242 9,434,094
Basic earnings per share $ 0.06 $ 0.17
Effect of dilutive securities    
Stock options and warrants 1,631,017 1,645,815
Preferred stock 1,428,923 4,393,108
Diluted weighted-average shares outstanding 20,139,182 15,473,017
Diluted earnings per share $ 0.05 $ 0.10