| Date | Acquired | Amount |
|---|---|---|
| Sep 20, 2015 |
|
Undisclosed amount |
| Aug 16, 2015 |
|
$ 2,000,000 |
| Jun 01, 2015 |
|
$ 2,000,000 |
| Mar 26, 2015 |
|
$ 1,200,000 |
