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DEFINED CONTRIBUTION PENSION (Tables) | 9 Months Ended
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Sep. 30, 2024
DEFINED CONTRIBUTION PENSION |
Schedule of pension cost | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended September 30, | ​ | Nine Months Ended September 30,
(in thousands) | ​ | 2024 |  | 2023 |  | 2024 |  | 2023
Research and development | ​ | $ | 23 | ​ | $ | 23 | ​ | $ | 64 | ​ | $ | 67
Selling, general and administration | ​ |  | 19 | ​ |  | 18 | ​ |  | 55 | ​ |  | 50
Total | ​ | $ | 42 | ​ | $ | 41 | ​ | $ | 119 | ​ | $ | 117
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​

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- Definition Tabular disclosure of the costs related to the various types of retirement plans including defined benefit pension plan cost, defined contribution plan cost, other postretirement benefit plan cost, and net periodic benefit cost. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 20 -Topic 715 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
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