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Share-based compensation (Tables)

6 Months Ended

Jun. 30, 2019

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 June 30,								Six Months Ended June 30,
(U.S. Dollars, in thousands)		2019				2018				2019				2018
Cost of sales		$	180			$	132			$	367			$	257
Sales and marketing			692				473				1,302				922
General and administrative			4,564				4,249				9,128				7,294
Research and development			413				361				737				658
Total		$	5,849			$	5,215			$	11,534			$	9,131

		Three Months Ended June 30,								Six Months Ended June 30,
(U.S. Dollars, in thousands)		2019				2018				2019				2018
Stock options		$	926			$	1,241			$	3,038			$	1,863
Time-based restricted stock awards and units			2,951				1,789				4,657				3,236
Performance-based restricted stock awards and units			—				270				—				759
Market-based restricted stock units			1,576				1,604				2,923				2,557
Stock purchase plan			396				311				916				716
Total		$	5,849			$	5,215			$	11,534			$	9,131

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- References

No definition available.

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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://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

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