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Share-based compensation (Tables) | 9 Months Ended
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Sep. 30, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of Share-Based Compensation by Line Item in Consolidated Statements of Operations | The following table shows the detail of share-based compensation by line item in the condensed consolidated statements of operations:
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
(U.S. Dollars, in thousands) |  | 2014 |  |  | 2013 |  |  | 2014 |  |  | 2013 |
Cost of sales |  | $ | 40 |  |  | $ | 27 |  |  | $ | 98 |  |  | $ | (249 | )
Sales and marketing |  |  | 537 |  |  |  | 469 |  |  |  | 1,410 |  |  |  | 1,375 |
General and administrative |  |  | 1,069 |  |  |  | 726 |  |  |  | 2,368 |  |  |  | 3,431 |
Research and development |  |  | 84 |  |  |  | 55 |  |  |  | 227 |  |  |  | 157 |
Total |  | $ | 1,730 |  |  | $ | 1,277 |  |  | $ | 4,103 |  |  | $ | 4,714 |

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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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