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Stock Based Compensation (Tables) | 9 Months Ended
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Sep. 30, 2013
Stock Options [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Schedule of Share-based Compensation, Stock Options, Activity [Table text block] | The following summarizes the activity relating to stock options under the plans mentioned above for the nine months ended September 30, 2013:
| Number of Options |  | Weighted Average Exercise Price
Outstanding at December 31, 2012 | 374,875 |  |  | $ | 3.37 |
Exercised | (132,425 | ) |  | 3.09 |
Granted | — |  |  | — |
Forfeited | (14,400 | ) |  | (2.75 | )
Outstanding at September 30, 2013 | 228,050 |  |  | $ | 3.57 |
Exercisable at September 30, 2013 | 228,050 |  |  | $ | 3.57 |
Unvested Stock Options [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block] | The following summarizes the status of, and changes to, unvested options during the nine months ended September 30, 2013:
| Number of Options |  | Weighted Average Exercise Price
Unvested at December 31, 2012 | 14,400 |  |  | $ | 2.75 |
Granted | — |  |  | — |
Vested | — |  |  | — |
Forfeited | (14,400 | ) |  | (2.75 | )
Unvested at September 30, 2013 | — |  |  | $ | — |
Restricted Stock [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block] | The following summarizes the status of Restricted Stock grants as of September 30, 2013 and changes during the nine months ended September 30, 2013:
| Number of Shares |  | Weighted Average Grant Date Fair Value
Unvested balance at December 31, 2012 | 139,730 |  |  | $ | 6.77 |
Granted | 57,556 |  |  | 9.12 |
Vested | (91,573 | ) |  | 5.95 |
Forfeited | (13,752 | ) |  | 8.74 |
Unvested balance September 30, 2013 | 91,961 |  |  | $ | 8.76 |

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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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