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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, 2012
Options Outstanding |
Number Outstanding (in shares) | 10,750
Weighted Average Remaining Contractual Life | 3 years 6 months 29 days
Weighted Average Exercise Price (in dollars per share) | $ 4.05
Aggregate Intrinsic value (in dollars) | $ 4,247
Options Exercisable |
Number Exercisable (in shares) | 6,626
Weighted Average Remaining Contractual Life | 3 years 29 days
Weighted Average Exercise Price (in dollars per share) | $ 4.28
Aggregate Intrinsic value (in dollars) | 2,813
$1.50 - $2.50 |
Exercise price range |
Low end of the range (in dollars per share) | $ 1.50
High end of the range (in dollars per share) | $ 2.50
Options Outstanding |
Number Outstanding (in shares) | 2,655
Weighted Average Remaining Contractual Life | 2 years 5 months 16 days
Weighted Average Exercise Price (in dollars per share) | $ 1.73
Aggregate Intrinsic value (in dollars) | 4,004
Options Exercisable |
Number Exercisable (in shares) | 1,835
Weighted Average Remaining Contractual Life | 2 years 6 months 4 days
Weighted Average Exercise Price (in dollars per share) | $ 1.73
Aggregate Intrinsic value (in dollars) | 2,770
$2.51 - $5.00 |
Exercise price range |
Low end of the range (in dollars per share) | $ 2.51
High end of the range (in dollars per share) | $ 5.00
Options Outstanding |
Number Outstanding (in shares) | 4,935
Weighted Average Remaining Contractual Life | 4 years 2 months 23 days
Weighted Average Exercise Price (in dollars per share) | $ 3.90
Aggregate Intrinsic value (in dollars) | 243
Options Exercisable |
Number Exercisable (in shares) | 2,304
Weighted Average Remaining Contractual Life | 3 years 5 months 26 days
Weighted Average Exercise Price (in dollars per share) | $ 4.11
Aggregate Intrinsic value (in dollars) | $ 43
$5.01 - $7.50 |
Exercise price range |
Low end of the range (in dollars per share) | $ 5.01
High end of the range (in dollars per share) | $ 7.50
Options Outstanding |
Number Outstanding (in shares) | 2,686
Weighted Average Remaining Contractual Life | 3 years 11 months 12 days
Weighted Average Exercise Price (in dollars per share) | $ 5.88
Options Exercisable |
Number Exercisable (in shares) | 2,013
Weighted Average Remaining Contractual Life | 3 years 7 months 20 days
Weighted Average Exercise Price (in dollars per share) | $ 5.86
$7.51 - $15.00 |
Exercise price range |
Low end of the range (in dollars per share) | $ 7.51
High end of the range (in dollars per share) | $ 15.00
Options Outstanding |
Number Outstanding (in shares) | 474
Weighted Average Remaining Contractual Life | 11 months 12 days
Weighted Average Exercise Price (in dollars per share) | $ 8.31
Options Exercisable |
Number Exercisable (in shares) | 474
Weighted Average Remaining Contractual Life | 11 months 12 days
Weighted Average Exercise Price (in dollars per share) | $ 8.31

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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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