| 9 Months Ended September 30, 2018 |  |
|
| 6 Months Ended June 30, 2018 | |
|
| 3 Months Ended March 31, 2018 | |
|
| 2017 – Year Ended December 31, 2017 | |
|
| 9 Months Ended September 30, 2017 | |
|
| 6 Months Ended June 30, 2017 | |
|
| 3 Months Ended March 31, 2017 | |
|
| 2016 – Year Ended December 31, 2016 | |
|
| 9 Months Ended September 30, 2016 | |
|
| 6 Months Ended June 30, 2016 | |
|
| 3 months ended March 31, 2016 | |
|