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Stock Based Compensation - Exercise Price Range (Details) (USD $) | 12 Months Ended
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Dec. 31, 2013
Exercise price range: |
Exercise price range, number of outanding options | 227,750
Exercise price range, exercisable, number of outstanding options | 227,750
2.75 |
Exercise price range: |
Exercise price range, range of exercise prices | $ 2.75
Exercise price range, number of outanding options | 4,200
Exercise price range, weighted average contractual life in years | 9 months 18 days
Exercise price range, exercisable, number of outstanding options | 4,200
3.21 |
Exercise price range: |
Exercise price range, range of exercise prices | $ 3.21
Exercise price range, number of outanding options | 160,550
Exercise price range, weighted average contractual life in years | 1 month 6 days
Exercise price range, exercisable, number of outstanding options | 160,550
3.28 |
Exercise price range: |
Exercise price range, range of exercise prices | $ 3.28
Exercise price range, number of outanding options | 40,000
Exercise price range, weighted average contractual life in years | 1 year 2 months 12 days
Exercise price range, exercisable, number of outstanding options | 40,000
6.40 |
Exercise price range: |
Exercise price range, range of exercise prices | $ 6.40
Exercise price range, number of outanding options | 18,000
Exercise price range, weighted average contractual life in years | 1 year 9 months 18 days
Exercise price range, exercisable, number of outstanding options | 18,000
7.98 |
Exercise price range: |
Exercise price range, range of exercise prices | $ 7.98
Exercise price range, number of outanding options | 5,000
Exercise price range, weighted average contractual life in years | 2 years
Exercise price range, exercisable, number of outstanding options | 5,000

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- Definition The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied. + 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)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices. + 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)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term of outstanding stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + 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 (e)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. + 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 (g) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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