XML 37 R26.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Share-based compensation (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2018
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] |
Schedule of Share-Based Compensation by Line Item in Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) | The following tables present the detail of share-based compensation by line item in the condensed consolidated statements of operations and comprehensive income (loss) as well as by award type:
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
(U.S. Dollars, in thousands) |  | 2018 |  |  | 2017 |  |  | 2018 |  |  | 2017 |
Cost of sales |  | $ | 151 |  |  | $ | 151 |  |  | $ | 408 |  |  | $ | 437 |
Sales and marketing |  |  | 514 |  |  |  | 394 |  |  |  | 1,436 |  |  |  | 1,073 |
General and administrative |  |  | 4,194 |  |  |  | 2,828 |  |  |  | 11,488 |  |  |  | 6,935 |
Research and development |  |  | 402 |  |  |  | 259 |  |  |  | 1,060 |  |  |  | 679 |
Total |  | $ | 5,261 |  |  | $ | 3,632 |  |  | $ | 14,392 |  |  | $ | 9,124 |
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
(U.S. Dollars, in thousands) |  | 2018 |  |  | 2017 |  |  | 2018 |  |  | 2017 |
Stock options |  | $ | 579 |  |  | $ | 684 |  |  | $ | 2,442 |  |  | $ | 1,802 |
Time-based restricted stock awards and units |  |  | 2,244 |  |  |  | 1,552 |  |  |  | 5,480 |  |  |  | 4,083 |
Performance-based restricted stock awards and units |  |  | 734 |  |  |  | 115 |  |  |  | 1,493 |  |  |  | 340 |
Market-based restricted stock units |  |  | 1,298 |  |  |  | 997 |  |  |  | 3,855 |  |  |  | 1,935 |
Stock purchase plan |  |  | 406 |  |  |  | 284 |  |  |  | 1,122 |  |  |  | 964 |
Total |  | $ | 5,261 |  |  | $ | 3,632 |  |  | $ | 14,392 |  |  | $ | 9,124 |

X
- References No definition available. + Details
Name: | us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -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=115993241&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5047-113901 + Details
Name: | us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration