Concentrations (Details)	3 Months Ended			12 Months Ended
	Mar. 31, 2019 Customer Supplier	Mar. 31, 2019	Mar. 31, 2018 Customer Supplier	Dec. 31, 2018
Revenues [Member]
Concentrations (Textual)
Concentration risk percentage	70.00%		65.00%
Number of customers | Customer	5		2
Revenues [Member] | Customer One [Member]
Concentrations (Textual)
Concentration risk percentage	18.00%		55.00%
Revenues [Member] | Customer Two [Member]
Concentrations (Textual)
Concentration risk percentage	16.00%		10.00%
Revenues [Member] | Customer Three [Member]
Concentrations (Textual)
Concentration risk percentage	14.00%
Revenues [Member] | Customer Four Member [Member]
Concentrations (Textual)
Concentration risk percentage	12.00%
Revenues [Member] | Customer Five Member [Member]
Concentrations (Textual)
Concentration risk percentage	11.00%
Purchase [Member]
Concentrations (Textual)
Concentration risk percentage	45.00%		74.00%
Number of suppliers	2		4
Purchase [Member] | Supplier One [Member]
Concentrations (Textual)
Concentration risk percentage	34.00%		22.00%
Purchase [Member] | Supplier Two [Member]
Concentrations (Textual)
Concentration risk percentage	11.00%		22.00%
Purchase [Member] | Supplier Three [Member]
Concentrations (Textual)
Concentration risk percentage			18.00%
Purchase [Member] | Suppliers Four [Member]
Concentrations (Textual)
Concentration risk percentage			12.00%
Accounts Receivable [Member]
Concentrations (Textual)
Concentration risk percentage		10.00%		10.00%
Accounts Payable [Member]
Concentrations (Textual)
Concentration risk percentage				10.00%
Accounts Payable [Member] | Supplier One [Member]
Concentrations (Textual)
Concentration risk percentage	13.00%
Accounts Payable [Member] | Supplier Two [Member]
Concentrations (Textual)
Concentration risk percentage	14.00%
Accounts Payable [Member] | Supplier [Member]
Concentrations (Textual)
Concentration risk percentage	27.00%
Number of suppliers	2