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Stock-Based Compensation (Details 2) (USD $) In Thousands, except Per Share data, unless otherwise specified | 6 Months Ended
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Jun. 30, 2013
Options Outstanding |
Number Outstanding (in shares) | 10,749
Weighted Average Remaining Contractual Life | 3 years 8 months 23 days
Weighted Average Exercise Price (in dollars per share) | $ 4.12
Aggregate Intrinsic value (in dollars) | $ 5,225
Options Exercisable |
Number Exercisable (in shares) | 6,599
Weighted Average Remaining Contractual Life | 2 years 4 months 17 days
Weighted Average Exercise Price (in dollars per share) | $ 4.24
Aggregate Intrinsic value (in dollars) | 3,606
$1.50 - $3.23 |
Exercise price range |
Low end of the range (in dollars per share) | $ 1.50
High end of the range (in dollars per share) | $ 3.23
Options Outstanding |
Number Outstanding (in shares) | 3,169
Weighted Average Remaining Contractual Life | 3 years 7 months 17 days
Weighted Average Exercise Price (in dollars per share) | $ 2.56
Aggregate Intrinsic value (in dollars) | 4,615
Options Exercisable |
Number Exercisable (in shares) | 1,746
Weighted Average Remaining Contractual Life | 2 years 8 months 23 days
Weighted Average Exercise Price (in dollars per share) | $ 2.14
Aggregate Intrinsic value (in dollars) | 3,290
$3.24 - $4.35 |
Exercise price range |
Low end of the range (in dollars per share) | $ 3.24
High end of the range (in dollars per share) | $ 4.35
Options Outstanding |
Number Outstanding (in shares) | 2,754
Weighted Average Remaining Contractual Life | 3 years 6 months 29 days
Weighted Average Exercise Price (in dollars per share) | $ 3.85
Aggregate Intrinsic value (in dollars) | 610
Options Exercisable |
Number Exercisable (in shares) | 1,686
Weighted Average Remaining Contractual Life | 2 years 11 months 16 days
Weighted Average Exercise Price (in dollars per share) | $ 3.91
Aggregate Intrinsic value (in dollars) | $ 316
$4.36 - $5.61 |
Exercise price range |
Low end of the range (in dollars per share) | $ 4.36
High end of the range (in dollars per share) | $ 5.61
Options Outstanding |
Number Outstanding (in shares) | 3,622
Weighted Average Remaining Contractual Life | 4 years 3 months 14 days
Weighted Average Exercise Price (in dollars per share) | $ 4.93
Options Exercisable |
Number Exercisable (in shares) | 2,305
Weighted Average Remaining Contractual Life | 1 year 9 months 4 days
Weighted Average Exercise Price (in dollars per share) | $ 5.18
$5.62 - $10.00 |
Exercise price range |
Low end of the range (in dollars per share) | $ 5.62
High end of the range (in dollars per share) | $ 10.00
Options Outstanding |
Number Outstanding (in shares) | 1,204
Weighted Average Remaining Contractual Life | 2 years 7 months 24 days
Weighted Average Exercise Price (in dollars per share) | $ 6.45
Options Exercisable |
Number Exercisable (in shares) | 862
Weighted Average Remaining Contractual Life | 2 years 2 months 8 days
Weighted Average Exercise Price (in dollars per share) | $ 6.62

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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 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 2: 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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