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ACCUMULATED OTHER COMPREHENSIVE INCOME (Tables) | 12 Months Ended
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Dec. 31, 2023
ACCUMULATED OTHER COMPREHENSIVE INCOME |
Summary of accumulated other comprehensive income | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | At December 31 |  | At December 31
(in thousands) | ​ | 2023 | ​ | 2022
​ | ​ | ​ | ​ | ​ | ​ | ​
Cumulative foreign currency translation | ​ | $ | 456 | ​ | $ | 420
Experience gains-post employment liability | ​ |  |  | ​ |  |
Gross | ​ |  | 1,847 | ​ |  | 1,847
Tax effect | ​ |  | (485) | ​ |  | (485)
​ | ​ | $ | 1,818 | ​ | $ | 1,782
​

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- Definition The tabular disclosure of Accumulated Other Comprehensive Income (Loss). + References No definition available. + Details
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