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STOCK PLANS (Tables)
3 Months Ended
Mar. 31, 2015
STOCK PLANS [Abstract]  
Stock option activity
The following table presents the activity related to stock options for the three months ended March 31, 2015:
 
   
Number of Shares
  
Weighted Average Exercise Price
  
Aggregate Intrinsic Value
  
Weighted Average Remaining Contractual Term (in years)
 
Options outstanding at Beginning of  Period
  313,483  $11.54       
   Granted
  41,047  $7.60       
   Expired
  (86,875) $10.00       
   Cancelled / Forfeited
            
   Exercised
  (19,846) $4.23       
Options outstanding at End of Period
  247,809  $12.02  $236,940   4.65 
Exercisable (vested) at End of Period
  176,160  $14.07  $169,885   2.82 

Weighted average assumptions used in valuing stock options granted
A summary of the weighted average assumptions used in valuing stock options during the three months ended March 31, 2015 is presented below:

  
Three Months Ended
 
   
March 31, 2015
 
 Risk Free Interest Rate
  1.61%
      
 Expected Dividend Yield
  0.00%
      
 Expected Life in Years
  5 
      
 Expected Price Volatility
  37.38%

Activity related to restricted stock
The following table presents the activity related to non-vested restricted stock for the three months ended March 31, 2015:
 
   
Number of Shares
  
Weighted Average Grant-Date Fair Value
  
Aggregate Intrinsic Value
  
Weighted Average Remaining Contractual Term (in years)
 
Non-vested Restricted stock outstanding at Beginning of Period
  73,827  $5.64       
   Granted
  30,056  $7.59       
   Cancelled/Forfeited
            
   Exercised/Released/Vested
  (18,304 4.66       
Non-vested restricted stock outstanding at End of Period
  85,579  $6.54  $676,074   8.74 
 
Summary of weighted average assumptions used in valuing ESPP
A summary of the weighted average assumptions used in valuing ESPP issuances during the three months ended March 31, 2015 is presented below:
 
  
Three Months Ended
 
   
March 31, 2015
 
 Risk Free Interest Rate
  0.14%
      
 Expected Dividend Yield
  0.00%
      
 Expected Life in Years
  1.00 
      
 Expected Price Volatility
  15.10%