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Stock Options (Tables)
 12 Months Ended
Dec. 31, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions

The Company granted options to purchase 20,500 shares of common stock during the year ended December 31, 2014. The weighted average fair value per option at the date of grant for options granted in the year ended December 31, 2014 was $10.34, as valued using the Black-Scholes option-pricing model with the following weighted average assumptions:

           
  Twelve Months Ended December 31,
  2014   2013
Risk-free interest rate 2.18 %   1.28 %
Expected dividend yield 0.00 %   0.00 %
Expected volatility 0.65     0.90  
Expected term (in years) 7.00     7.00  
Schedule of Share-based Compensation, Stock Options, Activity

The following table summarizes certain information regarding stock option activity:

                           
        Options
    Total
Reserved		   Outstanding   Weighted Avg
Exercise Price		   Range of
Exercise Prices
Balances at December 31, 2012     412,546     173,888   $13.39   $2.70  -  $30.55  
Granted           20,500   $8.83   $11.27  -  $11.39  
Exercised     (25,338 )   (25,338 ) $10.69   $2.70  -  $11.05  
Forfeited or expired           (37,886 ) $14.63   $11.00  -  $29.50  
Balances at December 31, 2013     387,208     131,164   $13.24   $2.70  -  $30.55  
Granted           20,500   $10.34   $11.27  -  $11.39  
Exercised     (1,839 )   (1,839 ) $6.25   $2.70  -    $7.50  
Forfeited or expired           (2,120 ) $21.22   $19.95  -  $21.30  
Balances at December 31, 2014     385,369     147,705   $13.24   $2.70  -  $30.55  
Schedule of Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding

The number of shares of common stock underlying options exercisable at December 31, 2014 was 97,705. The weighted-average remaining contractual life of those options is 5.62 years. Exercise prices on options outstanding at December 31, 2014, ranged from $2.70 to $30.55 per share as noted in the following table.

             
Options Outstanding at December 31,    
2014   2013   Range of Exercise Prices
13,189     15,028        $  2.70 - $  9.99   
103,616     83,116     $10.00 - $14.99
23,500     23,620     $15.00 - $19.99
--     2,000     $20.00 - $24.99
2,000     2,000     $25.00 - $29.99
5,400     5,400     $30.00 - $30.55
147,705     131,164