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EARNINGS (LOSS) PER SHARE (Details) (USD $)
 3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
May 14, 2012
EARNINGS (LOSS) PER SHARE          
Percentage of dividend paid on common stock         5.00%
Numerator:          
Net income (loss) $ (1,974,121) $ 586,775 $ 10,410,139 $ 6,350,509  
Denominator:          
Basic - weighted average common shares outstanding 20,427,979 20,200,978 20,367,065 20,185,345  
Basic EPS (in dollars per share) $ (0.10) $ 0.03 $ 0.51 $ 0.31  
Numerator:          
Net income (loss) $ (1,974,121) $ 586,775 $ 10,410,139 $ 6,350,509  
Denominator:          
Weighted average common shares outstanding 20,427,979 20,200,978 20,367,065 20,185,345  
Effect of Dilutive Securities:          
Stock options (in shares)   343,516 412,452 326,477  
Diluted - weighted average common shares outstanding 20,427,979 20,544,494 20,779,517 20,511,822  
Diluted EPS (in dollars per share) $ (0.10) $ 0.03 $ 0.50 $ 0.31