Summary of Significant Accounting Policies (Details Textual) - Institutions	9 Months Ended	12 Months Ended
	Sep. 30, 2017	Dec. 31, 2016
Summary of Significant Accounting Policies (Textual)
Number of financial institutions where cash is held	4	4
Net revenue [Member]
Summary of Significant Accounting Policies (Textual)
Concentration of credit risk, customers accounted	10% or more
Customers A [Member] | Accounts Receivable [Member]
Summary of Significant Accounting Policies (Textual)
Concentration risk percentage	10.00%	22.00%
Customers C [Member] | Accounts Receivable [Member]
Summary of Significant Accounting Policies (Textual)
Concentration risk percentage	3.00%