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RELATED PARTY TRANSACTIONS (Tables) | 12 Months Ended
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Dec. 31, 2021
RELATED PARTY TRANSACTIONS |
Schedule of Related Party Transactions | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31,
(U.S. dollars in thousands) |  | 2019 |  | 2020 |  | 2021
Compensation (including share-based compensation) to the non-executive directors | ​ | $ | 444 | ​ | $ | 814 | ​ | $ | 475

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- Definition Tabular disclosure of related party transactions. Examples of related party transactions include, but are not limited to, transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners and (d) affiliates. + References No definition available. + Details
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