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Stock Incentive Plans (Tables) | 12 Months Ended
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Dec. 31, 2012
Stock Incentive Plans [Abstract] |
Summary of stock option activity | A summary of the status of the Company’s stock options at December 31, 2012, 2011 and 2010, together with changes during the periods then ended, is presented below:
|  | Number of options |  |  | Weighted average exercise price |
Outstanding at December 31, 2009 |  |  | 315,319 |  |  |  |  |
Options granted at market price |  |  | 87,000 |  |  | $ | 13.43 |
Options exercised |  |  | (2,750 | ) |  |  | 6.29 |
Outstanding at December 31, 2010 |  |  | 399,569 |  |  |  |  |
Options granted at market price |  |  | 289,200 |  |  |  | 16.06 |
Options exercised |  |  | (7,475 | ) |  |  | 7.24 |
Options cancelled |  |  | (10,000 | ) |  |  | 14.39 |
Outstanding at December 31, 2011 |  |  | 671,294 |  |  |  |  |
Options granted at market price |  |  | 7,500 |  |  |  | 17.55 |
Options exercised |  |  | (131,997 | ) |  |  | 13.98 |
Options cancelled |  |  | (8,100 | ) |  |  | 13.85 |
Outstanding at December 31, 2012 |  |  | 538,697 |  |  |  |  |
Available for grant at December 31, 2012 |  |  | 586,900 |  |  |  |  |
Summary of stock options outstanding | The following table presents information on stock options outstanding as of and for the years ended December 31, 2012 and 2011:
|  | Year Ended December 31, |
(in thousands, except share data) |  | 2012 |  |  | 2011 |
Intrinsic value of options exercised in the period |  | $ | 895 |  |  | $ | 69 |
($ in thousands, except share data) |  | Number of Shares |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Term (Years) |  |  | Aggregate Intrinsic Value |
Stock options: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding December 31, 2011 |  |  | 671,294 |  |  | $ | 14.48 |  |  |  | 6.9 |  |  | $ | 3,676 |
Exerciseable at December 31, 2011 |  |  | 283,344 |  |  |  | 13.62 |  |  |  | 4.2 |  |  |  | 1,796 |
Outstanding December 31, 2012 |  |  | 538,697 |  |  |  | 14.66 |  |  |  | 6.6 |  |  |  | 12,621 |
Exerciseable at December 31, 2012 |  |  | 241,772 |  |  |  | 13.60 |  |  |  | 4.8 |  |  |  | 5,922 |
Summary of fair value of stock option awards | The fair value of stock option awards as determined under the Black-Scholes option-pricing model was estimated with the following weighted-average assumptions:
|  | 2012 |  |  | 2011 |  |  | 2010 |
Expected volatility |  |  | 65.9 | % |  |  | 65.9 | % |  |  | 58.8 | %
Risk free interest rate |  |  | 2.9 | % |  |  | 2.9 | % |  |  | 3.0 | %
Expected dividend yield |  |  | 2.5 | % |  |  | 2.3 | % |  |  | 2.4 | %
Expected term |  |  | 7.3 years |  |  |  | 7.3 years |  |  |  | 7.0 years |
Weighted average fair value per share |  | $ | 9.08 |  |  | $ | 7.20 |  |  | $ | 5.59 |
Summary of stock-based compensation expense related to stock option and restricted stock unit awards | The following table summarizes stock-based compensation expense related to stock option and restricted stock unit awards (in thousands):
|  | Year Ended December 31, |
|  | 2012 |  |  | 2011 |  |  | 2010 |
Stock-based compensation expense included in selling, general and administrative expenses |  | $ | 695 |  |  | $ | 473 |  |  | $ | 192 |
Deferred income taxes |  |  | 272 |  |  |  | 188 |  |  |  | 76 |
Stock-based compensation expense related to stock options and restricted stock units, net of tax |  | $ | 423 |  |  | $ | 285 |  |  | $ | 116 |
Summary of information about stock options outstanding | The following table summarizes information about stock options outstanding at December 31, 2012:
Options outstanding |  |  | Options exercisable |
Exercise price range |  | Number of shares |  |  | Weighted- average exercise price |  |  | Weighted- average remaining contractual life (years) |  |  | Exercisable at December 31, 2012 |  |  | Weighted- average exercise price |
$2.01 - $ 2.58 |  |  | 3,250 |  |  | $ | 2.21 |  |  |  | .3 |  |  |  | 3,250 |  |  | $ | 2.21 |
8.82 - 17.55 |  |  | 535,447 |  |  |  | 14.74 |  |  |  | 6.6 |  |  |  | 238,522 |  |  |  | 13.75 |
|  |  | 538,697 |  |  |  | 14.66 |  |  |  |  |  |  |  | 241,772 |  |  |  | 13.60 |

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