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Intangible Assets (Tables)
 12 Months Ended
Dec. 31, 2023
Disclosure of detailed information about intangible assets [abstract]  
Summary of Intangible Assets Details of intangible assets as of December 31, 2023 and 2022 are as follows:
December 31, 2023
(In millions of Korean Won)
Acquisition
price		Accumulated
amortization(*)		Book
Amount
Software₩17,567 ₩(14,787)₩2,780 
Industrial property rights1,376 (750)626 
License fee8,510 (5,832)2,678 
Other intangible assets1,367 (1,081)286 
Total
₩28,820 ₩(22,450)₩6,370 
December 31, 2022
(In millions of Korean Won)
Acquisition
price		Accumulated
amortization(*)		Book
Amount
Software₩16,284 ₩(14,346)₩1,938 
Industrial property rights1,215 (670)545 
License fee5,043 (3,692)1,351 
Other intangible assets1,117 (1,082)35 
Total₩23,659 ₩(19,790)₩3,869 
(*)Accumulated amortization includes the amount of accumulated impairment loss.
Summary of Changes in Intangible Assets Changes in intangible assets for the years ended December 31, 2023, 2022 and 2021 are as follows:
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 Korean Won 1,531 million of impairment loss as carrying amount of the other intangible assets exceeded recoverable amount as of December 31, 2023.
2022
SoftwareIndustrial
property
rights		License feeOther
intangible
assets		Total
(In millions of Korean won)
Beginning balance₩1,264 ₩483 ₩1,430 ₩165 ₩3,342 
Acquisitions/Capital expenditure1,856 138 747 — 2,741 
Amortization(1,184)(71)(538)(124)(1,917)
Disposals— (5)— (5)(10)
Impairment(*)— — (293)— (293)
Foreign exchange differences2 — 5 (1)6 
Ending balance₩1,938 ₩545 ₩1,351 ₩35 ₩3,869 
(*)The Group recognized Korean Won 293 million of impairment loss as carrying amount of the license exceeded recoverable amount as of December 31, 2022.
2021
SoftwareIndustrial
property
rights		Other
intangible
assets		Total
(In millions of Korean won)
Beginning balance₩2,234 ₩332 ₩797 ₩3,363 
Acquisitions/Capital expenditure116 224 1,676 2,016 
Amortization(1,088)(73)(587)(1,748)
Disposals(15)— — (15)
Impairment(*)— — (281)(281)
Foreign exchange differences17 — (10)7 
Ending balance₩1,264 ₩483 ₩1,595 ₩3,342 
(*)The Group recognized Korean Won 281 million of impairment loss as carrying amount of the license exceeded recoverable amount as of December 31, 2021.
Summary of Classification of Amortization in Statements of Comprehensive Income Classification of amortization in the statements of comprehensive income for the years ended December 31, 2023, 2022 and 2021 are as follows:
202320222021
(In millions of Korean won)
Cost of revenues₩708 ₩719 ₩737 
Selling, general and administrative expenses1,340 1,155 931 
Research and development358 43 80 
Total₩2,406 ₩1,917 ₩1,748