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Equity Compensation Plans (Tables) | 9 Months Ended
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Sep. 30, 2015
Equity Compensation Plans [Abstract] |
Share-Based Compensation Expense Related to Employee Share-Based Compensation |
|  | Three Months Ended |  | Nine Months Ended
|  | September 30, |  | September 30,
|  | 2015 |  | 2014 |  | 2015 |  | 2014
Cost of revenue |  | $ | 112 |  | $ | 86 |  | $ | 308 |  | $ | 250
Research and development expenses |  |  | 374 |  |  | 276 |  |  | 1,010 |  |  | 675
Selling, general and administrative expenses |  |  | 1,906 |  |  | 1,354 |  |  | 5,215 |  |  | 4,779
Total share-based compensation expense related to employees |  | $ | 2,392 |  | $ | 1,716 |  | $ | 6,533 |  | $ | 5,704

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- Definition Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed. + 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 (h)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F + Details
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