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Stock Compensation (Tables) | 6 Months Ended
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Jun. 30, 2013
Summary of Stock Option Activity and Related Information | A summary of the Company’s stock option activity and related information for the six months ended June 30, 2013 is as follows:
|  | Options |  |  | Weighted- average exercise price |  |  | Weighted- average remaining contractual life (years) |  |  | Aggregate intrinsic value |
Options outstanding, January 1, 2013 |  |  | 2,528,177 |  |  | $ | 13.06 |  |  |  |  |  |  |  |  |
Grants |  |  | 390,800 |  |  |  | 12.26 |  |  |  |  |  |  |  |  |
Exercises |  |  | (165,677 | ) |  |  | 4.08 |  |  |  |  |  |  |  |  |
Cancellations |  |  | (45,000 | ) |  |  | 19.37 |  |  |  |  |  |  |  |  |
Expirations |  |  | (231,500 | ) |  |  | 22.46 |  |  |  |  |  |  |  |  |
Options outstanding, June 30, 2013 |  |  | 2,476,800 |  |  |  | 12.54 |  |  |  | 6.71 |  |  | $ | 7,203,758 |
Options exercisable, June 30, 2013 |  |  | 1,566,750 |  |  |  | 12.84 |  |  |  | 5.83 |  |  | $ | 5,793,539 |

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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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