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STOCK COMPENSATION EXPENSE (Details) (USD $)
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Mar. 31, 2011
STOCK COMPENSATION EXPENSE [Abstract]      
Award vesting period, description three equal annual installments three equal annual installments three equal annual installments
Stock option vesting periods 3 years 3 years 3 years
Compensation expense $ 46,000 $ 28,000  
Unrecognized stock-based compensation expense $ 243,000    
Unrecognized stock-based compensation, period of recognition 35 months