Gain on Intangible Asset (Details) - USD ($) |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2019 |
Jun. 30, 2018 |
Jun. 30, 2019 |
Jun. 30, 2018 |
|
| Gain on Intangible Asset (Textual) | ||||
| Gain on sale of an intangible asset | $ 150,000 | |||
| Cash payment | $ 150,000 | $ 150,000 | ||