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Stock Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2012
Stock based compensation: |
Information about stock options outstanding and exercisable | The following table summarizes information about stock options outstanding and exercisable as of December 31, 2012:
|  | Options Outstanding |  | Options Exercisable
Range of Exercise Prices |  | Number of Options |  | Weighted Average Contractual Life in Years |  | Number of Options
$ | 2.75 |  |  | 53,100 |  |  | 1.8 |  | 38,700 |
$ | 3.21 |  |  | 258,775 |  |  | 1.1 |  | 258,775 |
$ | 3.28 |  |  | 40,000 |  |  | 2.2 |  | 40,000 |
$ | 6.40 |  |  | 18,000 |  |  | 2.8 |  | 18,000 |
$ | 7.98 |  |  | 5,000 |  |  | 3.0 |  | 5,000 |
|  | 374,875 |  |  |  |  | 360,475 |
Stock options |
Stock based compensation: |
Activity relating to stock options | The following summarizes the activity relating to stock options under the plans mentioned above for the years ended December 31:
| 2012 |  | 2011
| Number of Options |  | Weighted Average Exercise Price |  | Number of Options |  | Weighted Average Exercise Price
Outstanding - beginning of year | 400,650 |  |  | $ | 3.35 |  |  | 520,275 |  |  | $ | 3.31 |
Granted | — |  |  | — |  |  | — |  |  | — |
Exercised | (25,775 | ) |  | 3.14 |  |  | (119,625 | ) |  | 3.17 |
Forfeited | — |  |  | — |  |  | — |  |  | — |
Outstanding - end of year | 374,875 |  |  | $ | 3.37 |  |  | 400,650 |  |  | $ | 3.35 |
Exercisable at December 31 | 360,475 |  |  | $ | 3.39 |  |  | 380,550 |  |  | $ | 3.39 |
Vested or expected to vest at December 31 | 374,875 |  |  | $ | 3.37 |  |  | 400,650 |  |  | $ | 3.35 |
Unvested stock options |
Stock based compensation: |
Information about stock options outstanding and exercisable | The following summarizes the status of, and changes to, unvested options during the years ended December 31, 2012 and 2011:
| Number of Options |  | Weighted Average Exercise Price
Unvested at December 31, 2010 | 25,800 |  |  | $ | 2.75 |
Granted | — |  |  | — |
Vested | (5,700 | ) |  | 2.75 |
Forfeited | — |  |  | — |
Unvested at December 31, 2011 | 20,100 |  |  | 2.75 |
Granted | — |  |  | — |
Vested | (5,700 | ) |  | 2.75 |
Forfeited | — |  |  | — |
Unvested at December 31, 2012 | 14,400 |  |  | $ | 2.75 |
Restricted stock |
Stock based compensation: |
Status and changes of restricted stock | The following summarizes the status of Restricted Stock and changes during the years ended December 31:
| 2012 |  | 2011
| Number of Shares |  | Weighted Average Grant Date Fair Value |  | Number of Shares |  | Weighted Average Grant Date Fair Value
Unvested - beginning of year | 173,556 |  |  | $ | 5.21 |  |  | 203,797 |  |  | $ | 3.91 |
Granted | 59,070 |  |  | 7.93 |  |  | 50,466 |  |  | 9.48 |
Vested | (88,415 | ) |  | 4.44 |  |  | (74,848 | ) |  | 4.43 |
Forfeited | (4,481 | ) |  | 7.68 |  |  | (5,859 | ) |  | 6.74 |
Unvested - end of year | 139,730 |  |  | $ | 6.77 |  |  | 173,556 |  |  | $ | 5.21 |

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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph 64 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph f -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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