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Stock Compensation Plans (Tables)
12 Months Ended
Dec. 31, 2015
Stock Compensation Plans [Abstract]  
Stock Option Activity
Stock option activity for the Company's Stock Incentive Plan during the year ended December 31, 2015 is as follows:

 
 
Stock Options
 
 
 
Number of shares
  
Weighted average exercise price
 
Balance at December 31, 2014
  
326,022
  
$
11.08
 
Granted
  
42,689
   
7.30
 
Exercised
  
(20,640
)
  
4.06
 
Cancelled
  
(15,188
)
  
16.73
 
Expired
  
(105,499
)
  
10.90
 
 
        
Balance at December 31, 2015
  
227,384
  
$
10.72
 
Information on Stock Options
The following table presents information on stock options for the year ended December 31, 2015:

 
 
Number of Shares
  
Weighted Average Exercise Price
  
Aggregate Intrinsic Value
 
Weighted Average Remaining Contractual Term
 
Options exercised
  
20,640
  
$
4.06
  
$
65
 
 
 
            
 
Stock options outstanding and expected to vest:
  
227,384
  
$
10.72
  
$
273
   
4.38
 
 
                
Stock options vested and currently exercisable:
  
152,870
  
$
12.68
  
$
185
   
2.41
 
Weighted Average Assumptions Used in Valuing Stock Options Granted
The following table shows our weighted average assumptions used in valuing stock options granted for the years ended December 31:

 
 
2015
  
2014
  
2013
 
Risk-Free Interest Rate
  
1.61
%
  
1.53
%
  
0.86
%
 
            
Expected Dividend Yield
  
0.00
%
  
0.00
%
  
0.00
%
 
            
Expected Life in Years
  
5.00
   
5.00
   
5.00
 
 
            
Expected Price Volatility
  
37.38
%
  
45.93
%
  
54.36
%
Information about Non-vested Restricted Stock Awards Outstanding
The following table presents information about non-vested restricted stock awards outstanding for the year ended December 31, 2015:

 
 
Restricted Stock Awards
 
 
 
Number of shares
  
Weighted average grant date fair value
 
Balance at December 31, 2014
  
76,780
  
$
5.41
 
Granted
  
31,258
   
7.29
 
Vested
  
(19,036
)
  
4.47
 
Cancelled/Forfeited
  
(2,590
)
  
5.64
 
 
        
Balance at December 31, 2015
  
86,412
  
$
6.30