Revenue Recognition (Tables) |
3 Months Ended | ||||||||||||||||||||||||||||||||
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Mar. 31, 2018 | |||||||||||||||||||||||||||||||||
| Revenue from Contract with Customer [Abstract] | |||||||||||||||||||||||||||||||||
| Contract with Customer, Asset and Liability |
The following table presents changes in these contract liability balances for the three-month period ended March 31, 2018 (U.S. dollars in thousands):
The table above excludes liability for sales returns, as they are insignificant.
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| X | ||||||||||
- Definition Contract with Customer, Asset and Liability [Table Text Block] No definition available.
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| X | ||||||||||
- Definition Revenue from Contract with Customer [Abstract] No definition available.
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