Pension Plans (Tables)

12 Months Ended

Dec. 31, 2017

Retirement Benefits [Abstract]

Schedule of Changes in Benefit Obligation

Information with respect to changes in benefit obligation and the funded status of the plans is as follows (in thousands of Korean Won):

	December 31, 2017			December 31, 2016
Change in projected benefit liability
Liability at beginning of year	￦	880,656		￦	828,523
Service cost		226,787			200,789
Interest cost		10,991			9,269
Benefit payments		(146,892	)		(84,268	)
Prior service cost		-			-
Remeasurement of defined benefit liabilities		(41,444	)		(73,657	)
Liability at end of year		930,098			880,656
Plan assets at end of year		-			-
Funded status and net liability recognized	￦	(930,098	)	￦	(880,656	)

Schedule of Components of Benefit Expense

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

	December 31, 2017		December 31, 2016
Service cost	￦	226,787	￦	200,790
Interest cost		10,991		9,269
Prior service cost		-		-
Total	￦	237,778	￦	210,059

Schedule of Weighted Average Assumption Used

The weighted-average assumptions used to determine projected benefit liability and benefit expense for pension plans are as follows:

	2017			2016
Discount rate		3.21	%		2.68	%
Expected long-term rate of return on plan assets		N/A			N/A
Rate of compensation increase		2.00	%		2.00	%

Schedule of Estimated Future Benefit Payments

The estimated future benefit payments are as follows (in thousands of Korean Won):

Year Ending December 31,
2018	￦	42,802
2019		55,189
2020		51,151
2021		54,757
2022		57,537
		2,150,664
Total	￦	2,412,100