Concentrations (Details) - Customers |
12 Months Ended | |
|---|---|---|
Dec. 31, 2018 |
Dec. 31, 2017 |
|
| Accounts Receivable [Member] | ||
| Concentrations (Textual) | ||
| Number of customers | 1 | 2 |
| Percentage of concentrations of credit risk | 100.00% | 100.00% |
| Sales Revenue, Net [Member] | ||
| Concentrations (Textual) | ||
| Number of customers | 1 | 4 |
| Percentage of concentrations of credit risk | 95.00% | 85.00% |