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Stock-Based Compensation (Tables) | 6 Months Ended
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Jun. 30, 2014
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] |
Stock-Based Compensation Expense | Stock-based compensation expense for the three and six months ended June 30 was as follows (in thousands):
|  | Three Months Ended |  |  | Six Months Ended |
|  | June 30, |  |  | June 30, |
|  | 2014 |  |  | 2013 |  |  | 2014 |  |  | 2013 |
Cost of revenues |  | $ | 64 |  |  | $ | 40 |  |  | $ | 100 |  |  | $ | 44 |
Selling, general and administrative |  |  | 373 |  |  |  | 998 |  |  |  | 564 |  |  |  | 1,181 |
Research and development |  |  | 100 |  |  |  | 101 |  |  |  | 107 |  |  |  | 177 |
Total stock-based compensation |  | $ | 537 |  |  | $ | 1,139 |  |  | $ | 771 |  |  | $ | 1,402 |

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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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