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Stock-Based Compensation (Tables) | 9 Months Ended
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Sep. 30, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Stock-Based Non-Cash Compensation Expenses | Stock-based non-cash compensation expenses related to stock options, restricted stock grants and the employee stock purchase plan were recorded in the financial statements as follows (in thousands):
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2014 |  |  | 2013 |  |  | 2014 |  |  | 2013 |
|  | (unaudited) |  |  | (unaudited) |
Cost of revenues |  | $ | 2 |  |  | $ | 6 |  |  | $ | 10 |  |  | $ | 17 |
Selling and marketing |  |  | 63 |  |  |  | 138 |  |  |  | 201 |  |  |  | 698 |
Research and development |  |  | 160 |  |  |  | 205 |  |  |  | 491 |  |  |  | 622 |
General and administrative |  |  | 307 |  |  |  | 472 |  |  |  | 1,120 |  |  |  | 1,410 |
Restructuring expense |  |  | — |  |  |  | — |  |  |  | 1,273 |  |  |  | — |
Total non-cash stock compensation expense |  | $ | 532 |  |  | $ | 821 |  |  | $ | 3,095 |  |  | $ | 2,747 |

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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 1 -Subparagraph (b) -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 S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F Reference 4: 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 + Details
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