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SUPPLEMENTARY FINANCIAL STATEMENT INFORMATION (Tables) | 9 Months Ended
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Sep. 30, 2025
SUPPLEMENTARY FINANCIAL STATEMENT INFORMATION |
Schedule of Supplemental Information of Balance Sheets | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | September 30, |  | December 31,
(U.S. dollars in thousands) | ​ | 2025 | ​ | 2024
Accounts payable and accruals – other: | ​ | ​ | ​ | ​ | ​ | ​
Payroll and related expenses | ​ | $ | 745 | ​ | $ | 1,343
Provision for vacation | ​ | ​ | 2,209 | ​ | ​ | 1,811
Accrued expenses | ​ | ​ | 8,126 | ​ | ​ | 9,568
Royalties payable | ​ | ​ | 558 | ​ | ​ | 1,080
Income tax payable | ​ | ​ | 2,385 | ​ | ​ | 3,476
Payable to customer | ​ | ​ | 920 | ​ | ​ | 2,056
Property and equipment suppliers | ​ |  | 230 | ​ | ​ | 254
​ | ​ | $ | 15,173 | ​ | $ | 19,588
​

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