Concentration of Credit Risk (Details Narrative)	9 Months Ended		12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Naval Logistics Command [Member] | Accounts Receivable [Member]
Concentration risk percentage	31.00%		38.00%
Naval Logistics Command [Member] | Sales Revenue, Net [Member]
Concentration risk percentage	31.00%	20.00%
Hyundai Heavy Industries Co., Ltd., [Member] | Accounts Receivable [Member]
Concentration risk percentage	20.00%		22.00%
Shinwoo E&D Co., Ltd [Member] | Accounts Receivable [Member]
Concentration risk percentage	16.00%		17.00%
National Information Society Agency [Member] | Sales Revenue, Net [Member]
Concentration risk percentage		16.00%
Hyundai Electric & Energy System Co., Ltd. [Member] | Sales Revenue, Net [Member]
Concentration risk percentage		13.00%