Other assets - Non-current and current assets (Details) - USD ($) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Other assets | ||
| Guarantees and deposits - Non-Current | $ 19,695,000 | $ 20,434,000 |
| Guarantees and deposits - Current | 452,000 | 344,000 |
| Guarantees and deposits - Total | 20,147,000 | 20,778,000 |
| Prepayments and accrued income - Non-Current | 18,000 | |
| Prepayments and accrued income - Current | 7,652,000 | 6,887,000 |
| Prepayments and accrued income - Total | 7,652,000 | 6,905,000 |
| Advances to suppliers - Current | 10,679,000 | 8,927,000 |
| Advances to suppliers - Non-Current | 18,000 | |
| Advances to suppliers - Total | 10,697,000 | 8,927,000 |
| Other assets - Non-Current | 1,723,000 | 1,999,000 |
| Other assets - Current | 2,933,000 | 35,856,000 |
| Other assets - Total | 4,656,000 | 37,855,000 |
| Non-Current | 21,436,000 | 22,451,000 |
| Current | 21,716,000 | 52,014,000 |
| Total | 43,152,000 | 74,465,000 |
| Benefit received | $ 1,259,000 | $ 32,301,000 |
| X | ||||||||||
- Definition The amount of Non-current advances made to suppliers. No definition available.
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| X | ||||||||||
- Definition The amount of total advances made to suppliers. No definition available.
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| X | ||||||||||
- Definition Benefit received related to benefit from a program administered by the French Energy Regulatory Commission and additional agreement with EDF which resulted in different electricity prices. No definition available.
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| X | ||||||||||
- Definition The amount of current guarantees and current deposits. No definition available.
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| X | ||||||||||
- Definition The amount of guarantees and deposits. No definition available.
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| X | ||||||||||
- Definition The amount of miscellaneous other assets. No definition available.
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| X | ||||||||||
- Definition The amount of miscellaneous other current assets. No definition available.
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| X | ||||||||||
- Definition The amount of miscellaneous other noncurrent assets. No definition available.
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| X | ||||||||||
- Definition The amount of non-current guarantees and noncurrent deposits. No definition available.
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| X | ||||||||||
- Definition n/a No definition available.
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| X | ||||||||||
- Definition The amount of current advances made to suppliers before goods or services are received. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition The amount of current prepayments and current accrued income, other than current contract assets. [Refer: Prepayments; Accrued income other than contract assets] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition The amount of non-current prepayments and non-current accrued income, other than non-current contract assets. [Refer: Prepayments; Accrued income other than contract assets] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition The amount of assets that the entity does not separately disclose in the same statement or note. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition The amount of current assets that the entity does not separately disclose in the same statement or note. [Refer: Current assets] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition The amount of non-current assets that the entity does not separately disclose in the same statement or note. [Refer: Non-current assets] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition The amount of prepayments and accrued income, other than contract assets. [Refer: Prepayments; Accrued income other than contract assets] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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