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Stock Plans (Details 1) (USD $) In Thousands, except Per Share data, unless otherwise specified | 12 Months Ended
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Dec. 31, 2013
Share based compensation shares authorized under stock option plans exercise price range |
Exercise Prices, Lower Limit | $ 0.69
Exercise Prices, Upper Limit | $ 4.06
Number Outstanding | 6,732
Weighted Average Remaining Life (Years) | 5 years 9 months
Weighted Average Exercise Price | $ 1.31
Number Exercisable | 6,728
Weighted Average Exercise Price | $ 1.31
Range One [Member] |
Share based compensation shares authorized under stock option plans exercise price range |
Exercise Prices, Lower Limit | $ 0.69
Exercise Prices, Upper Limit | $ 1.53
Number Outstanding | 5,423
Weighted Average Remaining Life (Years) | 6 years 3 months 25 days
Weighted Average Exercise Price | $ 1.05
Number Exercisable | 5,422
Weighted Average Exercise Price | $ 1.05
Range Two [Member] |
Share based compensation shares authorized under stock option plans exercise price range |
Exercise Prices, Lower Limit | $ 1.54
Exercise Prices, Upper Limit | $ 2.38
Number Outstanding | 604
Weighted Average Remaining Life (Years) | 3 years 10 months 6 days
Weighted Average Exercise Price | $ 2.19
Number Exercisable | 601
Weighted Average Exercise Price | $ 2.19
Range Three [Member] |
Share based compensation shares authorized under stock option plans exercise price range |
Exercise Prices, Lower Limit | $ 2.39
Exercise Prices, Upper Limit | $ 3.22
Number Outstanding | 643
Weighted Average Remaining Life (Years) | 3 years 3 months 7 days
Weighted Average Exercise Price | $ 2.52
Number Exercisable | 643
Weighted Average Exercise Price | $ 2.52
Range Four [Member] |
Share based compensation shares authorized under stock option plans exercise price range |
Exercise Prices, Lower Limit | $ 3.23
Exercise Prices, Upper Limit | $ 4.06
Number Outstanding | 62
Weighted Average Remaining Life (Years) | 1 month 10 days
Weighted Average Exercise Price | $ 3.70
Number Exercisable | 62
Weighted Average Exercise Price | $ 3.70

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- Definition Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding. + 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)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The floor 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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- 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 The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are 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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