Property and Equipment - Schedule of Property and Equipment (Details) - KRW (₩) ₩ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Total, at cost	₩ 555,704	₩ 553,612
Less: Accumulated depreciation	(520,808)	(509,388)
Total, net	261,941	44,224
Right-of-use lease assets - operating	318,835
Less: Accumulated depreciation	(91,790)
Right-of-use lease assets - operating, net	227,045
Total, net	261,941	44,224
Office Equipment [Member]
Total, at cost	222,071	219,980
Fixtures and Furniture [Member]
Total, at cost	48,520	48,520
Other [Member]
Total, at cost	₩ 285,113	₩ 285,112