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v2.4.0.6

Subsequent Events (Details) (USD $) | 0 Months Ended | 1 Months Ended | 0 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Aug. 09, 2012 | Mar. 26, 2013 | Mar. 14, 2011 | Dec. 31, 2012 | Dec. 31, 2011
Subsequent Event [Line Items] |  |  |  |  |
Number of options granted (in shares) |  | 62,401 |  |  |
Exercise price |  | $ 7.26 |  |  |
Weighted average grant date fair value (in dollars per share) |  | $ 2.33 |  | $ 6.27 | $ 7.33
Percentage of shares vested on first anniversary of the grant date (in hundredths) | 30.00% | 30.00% | 30.00% |  |
Percentage of shares vested on second anniversary of the grant date (in hundredths) | 30.00% | 30.00% | 30.00% |  |
Percentage of shares vested on third anniversary of the grant date (in hundredths) | 40.00% | 40.00% | 40.00% |  |
Restricted Stock [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Number of options granted (in shares) |  |  |  | 20,782 | 10,928
Number of restricted shares granted |  | 8,135 |  |  |
Weighted average grant date fair value (in dollars per share) |  | $ 5.81 |  |  |
Percentage of shares vested on first anniversary of the grant date (in hundredths) |  | 30.00% |  |  |
Percentage of shares vested on second anniversary of the grant date (in hundredths) |  | 30.00% |  |  |
Percentage of shares vested on third anniversary of the grant date (in hundredths) |  | 40.00% |  |  |

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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + 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)(2)(iii)(1) -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of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph b(2)(c) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + 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)(2)(iii)(1) -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 A240 -Subparagraph c(1) -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 b(2)(c) -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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