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Intangible Assets (Tables)
 12 Months Ended
Dec. 31, 2025
Disclosure of detailed information about intangible assets [abstract]  
Schedule of Intangible Assets Details of intangible assets as of December 31, 2025 and 2024 are as follows:
December 31, 2025
(In millions of Korean Won)
Acquisition
price		Accumulated
amortization(*)		Book
Amount
Software₩18,703 ₩(15,393)₩3,310 
Industrial property rights2,093 (1,004)1,089 
License fee8,764 (6,034)2,730 
Other intangible assets1,109 (1,081)28 
Total
₩30,669 ₩(23,512)₩7,157 
December 31, 2024
(In millions of Korean Won)
Acquisition
price		Accumulated
amortization(*)		Book
Amount
Software₩16,536 ₩(14,752)₩1,784 
Industrial property rights1,746 (863)883 
License fee9,087 (4,725)4,362 
Other intangible assets1,109 (1,081)28 
Total₩28,478 ₩(21,421)₩7,057 
(*)Accumulated amortization includes the amount of accumulated impairment loss.
Schedule of Changes in Intangible Assets Changes in intangible assets for the years ended December 31, 2025, 2024 and 2023 are as follows:
2025
SoftwareIndustrial
property
rights		License feeOther
intangible
assets		Total
(In millions of Korean won)
Beginning balance₩1,784 ₩883 ₩4,362 ₩28 ₩7,057 
Acquisitions/Capital expenditure3,203 352 1,511 — 5,066 
Amortization(1,677)(142)(2,789)— (4,608)
Disposals— (4)— — (4)
Impairment(*)— — (53)— (53)
Other— — (314)— (314)
Foreign exchange differences— — 13 — 13 
Ending balance₩3,310 ₩1,089 ₩2,730 ₩28 ₩7,157 
(*)The Group recognized Won 53 million of impairment loss as carrying amount of the other intangible assets exceeded recoverable amount as of December 31, 2025.
2024
SoftwareIndustrial
property
rights		License feeOther
intangible
assets		Total
(In millions of Korean won)
Beginning balance₩2,780 ₩626 ₩2,678 ₩286 ₩6,370 
Acquisitions/Capital expenditure379 369 3,755 3 4,506 
Amortization(1,382)(112)(1,717)— (3,211)
Disposals— — — (3)(3)
Reclassification— — 258 (258)— 
Impairment(*)— — (615)— (615)
Foreign exchange differences7 — 3 — 10 
Ending balance₩1,784 ₩883 ₩4,362 ₩28 ₩7,057 
(*)The Group recognized Won 615 million of impairment loss as carrying amount of the license exceeded recoverable amount as of December 31, 2024.
2023
SoftwareIndustrial
property
rights		License feeOther
intangible
assets		Total
(In millions of Korean won)
Beginning balance₩1,938 ₩545 ₩1,351 ₩35 ₩3,869 
Acquisitions/Capital expenditure2,136 170 3,886 263 6,455 
Amortization(1,296)(83)(1,027)— (2,406)
Disposals— (6)— (12)(18)
Impairment(*)— — (1,531)— (1,531)
Foreign exchange differences2 — (1)— 1 
Ending balance₩2,780 ₩626 ₩2,678 ₩286 ₩6,370 
(*)The Group recognized Won 1,531 million of impairment loss as carrying amount of the license exceeded recoverable amount as of December 31, 2023.
Schedule of Classification of Amortization in Statements of Comprehensive Income Classification of amortization in the statements of comprehensive income for the years ended December 31, 2025, 2024 and 2023 are as follows:
202520242023
(In millions of Korean won)
Cost of revenues₩2,569 ₩936 ₩708 
Selling, general and administrative expenses1,598 1,747 1,340 
Research and development441 528 358 
Total₩4,608 ₩3,211 ₩2,406