Concentrations (Details Textual)	3 Months Ended		12 Months Ended
	Mar. 31, 2018 customers suppliers	Mar. 31, 2017 customers	Dec. 31, 2017 suppliers
Accounts receivable [Member]
Concentration (Textual)
Concentration risk percentage			10.00%
Accounts receivable [Member] | Customer one [Member]
Concentration (Textual)
Concentration risk percentage	10.00%
Accounts payable [Member]
Concentration (Textual)
Concentration risk percentage	27.00%
Number of suppliers | suppliers	2		1
Accounts payable [Member] | Supplier one [Member]
Concentration (Textual)
Concentration risk percentage	13.00%		15.00%
Accounts payable [Member] | Supplier Two [Member]
Concentration (Textual)
Concentration risk percentage	14.00%
Revenue [Member]
Concentration (Textual)
Concentration risk percentage	65.00%	29.00%
Number of customers | customers	2	2
Revenue [Member] | Customer one [Member]
Concentration (Textual)
Concentration risk percentage	55.00%	18.00%
Revenue [Member] | Customer two [Member]
Concentration (Textual)
Concentration risk percentage	10.00%	11.00%
Purchase [Member] | Suppliers [Member]
Concentration (Textual)
Concentration risk percentage	10.00%	10.00%