Concentration of Credit Risk (Details Narrative)	12 Months Ended
Concentration of Credit Risk (Details Narrative)	Dec. 31, 2018	Dec. 31, 2017
G2 ICT Co., Ltd [Member] \| Accounts Receivable [Member]
Concentration risk percentage	44.00%
Shinwoo E&D Co., Ltd [Member] \| Accounts Receivable [Member]
Concentration risk percentage	15.00%	17.00%
Hyundai Heavy Industries Co., Ltd., [Member] \| Accounts Receivable [Member]
Concentration risk percentage	13.00%	22.00%
Hanjin Heavy Industries and Construction Co., Ltd. [Member] \| Accounts Receivable [Member]
Concentration risk percentage	11.00%
Naval Logistics Command [Member] \| Accounts Receivable [Member]
Concentration risk percentage		38.00%
Naval Logistics Command [Member] \| Sales Revenue, Net [Member]
Concentration risk percentage	33.00%	25.00%
Hyundai Electric & Energy System Co., Ltd. [Member] \| Sales Revenue, Net [Member]
Concentration risk percentage	5.00%
National Information Society Agency [Member] \| Sales Revenue, Net [Member]
Concentration risk percentage		11.00%

EMARINE GLOBAL INC. 10-K