Cash and cash equivalents (Details) - KRW (₩) ₩ in Thousands |
Dec. 31, 2025 |
Jan. 02, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
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| Notes and other explanatory information [abstract] | |||||
| Cash on hand | ₩ 15,121 | ₩ 2,355 | |||
| Deposits in banks | 8,349,311 | 4,148,217 | |||
| Total | ₩ 8,364,432 | ₩ 3,508,608 | ₩ 4,150,572 | ₩ 8,585,634 | ₩ 30,581,556 |
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- Definition The amount of cash balances held at banks. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of cash held by the entity. This does not include demand deposits. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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