Related parties (Details 5) - KRW (₩) ₩ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Notes and other explanatory information [abstract] | |||
| Short-term employee benefits | ₩ 4,578,094 | ₩ 1,185,704 | ₩ 1,426,806 |
| Post-employment benefits | 719,179 | 270,695 | 279,982 |
| Share-based payments | 25,636,854 | (135,095) | 38,530 |
| Total | ₩ 30,934,127 | ₩ 1,321,304 | ₩ 1,745,318 |
| X | ||||||||||
- Definition Adjustments for share-based payments to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Profit (loss)] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition The amount of compensation to key management personnel in the form of short-term employee benefits. [Refer: Key management personnel of entity or parent [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition The amount of post-employment benefit expense included in profit or loss relating to defined benefit plans. [Refer: Profit (loss); Defined benefit plans [domain]] [Contrast: Increase (decrease) in net defined benefit liability (asset) resulting from expense (income) in profit or loss] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition The amount of expense from employee benefits (other than termination benefits) that are expected to be settled wholly within twelve months after the end of the annual reporting period in which the employees render the related services. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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