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STOCK BASED COMPENSATION PLANS (Details 4) (Directors, Restricted stock units, USD $)
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Directors | Restricted stock units
       
Deferred compensation plan        
Vesting period (in years)     1 year  
Compensation expenses $ 34,000 $ 39,000 $ 109,000 $ 118,000