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Share-based Compensation (Tables) | 6 Months Ended
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Jun. 30, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Share-based Compensation | The Company included the following amounts for share-based compensation awards in the unaudited condensed consolidated statements of operations (in thousands):
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2016 |  | 2015 |  | 2016 |  | 2015
Cost of revenues | $ | 55 |  |  | $ | 37 |  |  | $ | 107 |  |  | $ | 58 |
Research and development | 212 |  |  | 187 |  |  | 461 |  |  | 402 |
Sales and marketing | 213 |  |  | 143 |  |  | 423 |  |  | 183 |
General and administrative | 776 |  |  | 816 |  |  | 1,331 |  |  | 1,330 |
Total | $ | 1,256 |  |  | $ | 1,183 |  |  | $ | 2,322 |  |  | $ | 1,973 |
Summary of Stock Option Activity | The following table summarizes the Company’s stock option activity:
Outstanding — December 31, 2014 | 3,064,880 |
Granted | 6,656,737 |
Exercised | (273,005 | )
Canceled | (3,363,776 | )
Outstanding — December 31, 2015 | 6,084,836 |
Granted | 1,051,550 |
Exercised | (9,568 | )
Canceled | (392,577 | )
Outstanding — June 30, 2016 | 6,734,241 |
Exercisable — June 30, 2016 | 1,554,152 |
Summary of Restricted Stock Unit Activity | The following table summarizes the Company’s restricted stock unit (“RSU”) activity:
Non-vested at December 31, 2014 | 1,628,179 |
Granted | 1,042,659 |
Vested | (926,308 | )
Forfeited | (784,327 | )
Non-vested at December 31, 2015 | 960,203 |
Granted | 2,914,000 |
Vested | (342,123 | )
Forfeited | (54,028 | )
Non-vested at June 30, 2016 | 3,478,052 |

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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 + Details
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- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock units. + 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 (c)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + 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 (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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