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OPERATING LEASES (Tables) | 12 Months Ended
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Dec. 31, 2021
OPERATING LEASES |
Schedule of Operating Leases | The following table sets forth data regarding the Company’s operating leases for the years ended December 31, 2019, 2020 and 2021:
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year ended December 31, | ​
(U.S. dollars in thousands) | ​ | 2019 | ​ | 2020 | ​ | 2021 | ​
Operating lease costs | ​ | $ | 1,219 | ​ | $ | 1,382 | ​ | $ | 1,632 | ​
Cash paid for amounts included in the measurement of lease liabilities | ​ | ​ | 1,329 | ​ | ​ | 1,289 | ​ | ​ | 1,391 | ​
Weighted average remaining lease term (in years) | ​ | ​ | 10.5 | ​ | ​ | 9.5 | ​ | ​ | 8.9 | ​
Weighted average discount rate | ​ | ​ | 12.7 | % | ​ | 12.7 | % | ​ | 12.8 | %
​
Schedule of Maturity Analysis of Operating Leases | The following table sets forth a maturity analysis of the Company’s operating lease liabilities as of December 31, 2021: ​
​ | ​ | ​ | ​
(U.S. dollars in thousands) |  | December 31, 2021
2022 | ​ | $ | 1,207
2023 | ​ | $ | 1,025
2024 | ​ | $ | 872
2025 | ​ | $ | 853
2026 | ​ | $ | 848
2027 and thereafter | ​ | $ | 4,528
Total undiscounted cash flows | ​ | $ | 9,333
Less: imputed interest | ​ | $ | 3,750
Present value of operating lease liabilities | ​ | $ | 5,583

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- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980 + Details
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- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918701-209980 + Details
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