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STOCK-BASED COMPENSATION (Detail Textuals 1) (Stock Options, USD $)
9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Stock Options
   
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Total intrinsic value of share options exercised $ 817,000 $ 602,000
Tax benefits associated with the exercise of non-qualified stock options $ 51,000