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STOCK-BASED COMPENSATION (Tables)
 6 Months Ended
Jun. 30, 2015
STOCK-BASED COMPENSATION [Abstract]  
Summary of stock option activity
A summary of stock option activity follows:

  
Number
of Shares
  
Weighted-Average
Exercise Price
Per Share
 
Outstanding, January 1, 2015
  
251,100
  
$
16.33
 
Granted
  
-
   
-
 
Exercised
  
(32,667
)
 
$
14.12
 
Forfeited or expired
  
(16,666
)
 
$
19.67
 
Outstanding, June 30, 2015
  
201,767
  
$
16.42
 
Summary of options outstanding and exercisable
The following summarizes shares subject to purchase from stock options outstanding and exercisable as of June 30, 2015:

  
Outstanding
  
Exercisable
 
Range of
Exercise Prices
 
Shares
 
Weighted-Average
 Remaining 
Contractual Life
 
Weighted-Average
Exercise Price
  
Shares
 
 Weighted-Average
 Remaining
 Contractual Life
 
Weighted-Average
Exercise Price
 
$10.00 - $14.00
  
96,667
 
 6.6 years
 
$
11.68
   
63,334
 
 6.7 years
 
$
12.14
 
$14.01 - $20.00
  
83,100
 
 8.1 years
 
$
17.80
   
32,438
 
 8.0 years
 
$
17.36
 
$20.01 - $30.00
  
5,000
 
 3.6 years
 
$
28.30
   
5,000
 
 3.6 years
 
$
28.30
 
$30.01 - $40.00
  
17,000
 
 1.5 years
 
$
33.12
   
17,000
 
 1.5 years
 
$
33.12
 
   
201,767
 
 6.7 years
 
$
16.42
   
117,772
 
 6.2 years
 
$
17.29
 
Summary of restricted stock activity
A summary of restricted stock activity follows:
 
  
Number
of Shares
  
Weighted-Average
Grant-Date
Fair Value
 
Nonvested, January 1, 2015
  
72,350
  
$
22.51
 
Granted
  
71,612
  
$
23.18
 
Vested
  
(22,213
)
 
$
22.51
 
Forfeited or expired
  
(6,041
)
 
$
22.52
 
Nonvested, June 30, 2015
  
115,708
  
$
22.92