Related Party Transactions (Details Narrative) - KRW (₩) ₩ in Thousands					12 Months Ended
	Nov. 30, 2016	May 23, 2016	May 23, 2016	Dec. 30, 2015	Dec. 31, 2015	Dec. 31, 2017	Dec. 31, 2016
Due from related parties						₩ 164,000	₩ 164,000
Due to related party						18,895
Officers and Employees [Member]
Due from related parties						₩ 290,812	164,000
Debt instrument, interest rate						4.60%
Min Sik Park [Member]
Debt instrument, interest rate						9.50%
Due to related party					₩ 53,000	₩ 18,895	36,550
Debt instrument maturity date					Dec. 30, 2018
Seung Ho Yang [Member]
Debt instrument, interest rate						9.50%
Due to related party				₩ 120,000			82,755
Debt instrument maturity date				Dec. 29, 2018
Yong Seuk Suh [Member]
Debt instrument, interest rate						4.60%
Due to related party		₩ 9,000	₩ 9,000				9,000
Debt instrument maturity date		Jan. 20, 2017
Dal Gyu Kim [Member]
Debt instrument, interest rate						4.60%
Due to related party	₩ 30,000						30,000
Debt instrument maturity date	Jan. 26, 2017
Ung Gyu Kim [Member]
Debt instrument, interest rate						4.60%
Due to related party		₩ 123,000	₩ 123,000				₩ 63,200
Debt instrument maturity date			Apr. 07, 2017