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Share-Based Compensation (Tables) | 9 Months Ended
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Sep. 30, 2013
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] |
Summary of Payment for Share-Based Compensation Awards | The Company included the following amounts for share-based compensation awards in the accompanying unaudited condensed consolidated statements of operations for the three and nine months ended September 30, 2013 and 2012 (in thousands):
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 30, |  |  | September 30, |
|  | 2013 |  |  | 2012 |  |  | 2013 |  |  | 2012 |
Cost of net revenues (1) |  | $ | (7 | ) |  | $ | 167 |  |  | $ | 49 |  |  | $ | 543 |
Research and development |  |  | 329 |  |  |  | 645 |  |  |  | 908 |  |  |  | 2,033 |
Sales and marketing |  |  | 215 |  |  |  | 334 |  |  |  | 618 |  |  |  | 1,067 |
General and administrative |  |  | 422 |  |  |  | 606 |  |  |  | 1,273 |  |  |  | 1,766 |
Totals |  | $ | 959 |  |  | $ | 1,752 |  |  | $ | 2,848 |  |  | $ | 5,409 |
(1) | Negative expense resulted from change in the estimated forfeiture rate during the third quarter of 2013.

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- Definition Tabular disclosure of components of a stock option or other award plan under which equity-based compensation is awarded to employees, typically comprised of the amount of unearned compensation (deferred compensation cost), compensation expense, and changes in the quantity and fair value of the shares (or other type of equity) granted, exercised, forfeited, and issued and outstanding pertaining to that plan. Disclosure may also include nature and general terms of such arrangements that existed during the period and potential effects of those arrangements on shareholders, effect of compensation cost arising from equity-based payment arrangements on the income statement, method of estimating the fair value of the goods or services received, or the fair value of the equity instruments granted, during the period, cash flow effects resulting from equity-based payment arrangements and, for registrants that accelerate vesting of out of the money share options, reasons for the decision to accelerate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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