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Significant accounting policies (Tables) | 12 Months Ended
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Dec. 31, 2021
Accounting Policies [Abstract] |
Schedule of Supplemental Disclosure of Cash Flow Information | Investing activities that did not result in cash receipts or cash payments during the years ended December 31, 2021, 2020, and 2019 consisted of the following, which were not included within cash from investing activities in the Company’s consolidated statements of cash flows:
(U.S. Dollars, in thousands) |  | 2021 |  |  | 2020 |  |  | 2019 |
Supplemental disclosure of cash flow information: |  |  |  |  |  |  |  |  |  |  |  |
Noncash investing activities: |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets acquired in asset acquisitions |  | $ | — |  |  | $ | 1,575 |  |  | $ | 1,600 |
Contingent consideration recognized at acquisition date |  |  | — |  |  |  | 375 |  |  |  | — |

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- Definition Tabular disclosure of supplemental cash flow information for the periods presented. + References No definition available. + Details
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