Pension Plans (Tables)

3 Months Ended

Mar. 31, 2019

Retirement Benefits [Abstract]

Schedule of Components of Benefit Expense

The components of benefit expense are as follows (in thousands of Korean Won):

	March 31, 2019		March 31, 2018
Service cost	￦	52,083	￦	51,436
Interest cost		3,585		2,793
Prior service cost		-		-
Total	￦	55,668	￦	54,229