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Summary of Significant Accounting Policies (Details) - Accounts Receivable [Member]
3 Months Ended 12 Months Ended
Mar. 31, 2018
Dec. 31, 2017
Customer A [Member]    
Significant Accounting Policies [Line Items]    
Concentration of risk, percentage 27.00%
Customer B [Member]    
Significant Accounting Policies [Line Items]    
Concentration of risk, percentage 12.00% 21.00%
Customer C [Member]    
Significant Accounting Policies [Line Items]    
Concentration of risk, percentage 19.00%