Significant Customers (Details Textual) |
3 Months Ended | 9 Months Ended | 12 Months Ended | ||
---|---|---|---|---|---|
Sep. 30, 2017 |
Sep. 30, 2016 |
Sep. 30, 2017 |
Sep. 30, 2016 |
Dec. 31, 2016 |
|
Sales Revenue, Net [Member] | |||||
Concentration Risk, Benchmark | one customer that exceeded 10% of revenue | one customer that exceeded 10% of revenue | one customer that exceeded 10% of revenue | one customer that exceeded 10% of revenue | |
Accounts Receivable [Member] | |||||
Concentration Risk, Benchmark | one customer that exceeded 10% of the total accounts receivable | one customer that exceeded 10% of the total accounts receivable |