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Share-based compensation (Tables)

6 Months Ended

Jun. 30, 2020

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Schedule of Components of Share-Based Compensation Expense

Components of share-based compensation expense are as follows:

		Three Months Ended June 30,								Six Months Ended June 30,
(U.S. Dollars, in thousands)		2020				2019				2020				2019
Cost of sales		$	205			$	180			$	386			$	367
Sales and marketing			1,533				692				2,229				1,302
General and administrative			2,639				4,564				5,169				9,128
Research and development			322				413				774				737
Total		$	4,699			$	5,849			$	8,558			$	11,534

		Three Months Ended June 30,								Six Months Ended June 30,
(U.S. Dollars, in thousands)		2020				2019				2020				2019
Stock options		$	750			$	926			$	1,054			$	3,038
Time-based restricted stock awards and units			2,751				2,951				5,172				4,657
Market-based restricted stock units			810				1,576				1,480				2,923
Stock purchase plan			388				396				852				916
Total		$	4,699			$	5,849			$	8,558			$	11,534

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- References

No definition available.

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- Definition

Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement.

+ 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=120381028&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=120381028&loc=d3e5047-113901

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