| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/07/19 | 10-K | Annual report pursuant to Section 13 and 15(d) |
|
   |
166 |
| 08/24/18 | 10-K/A | Annual report pursuant to Section 13 and 15(d) |
|
7 | |
| 03/12/18 | 10-K | Annual report pursuant to Section 13 and 15(d) |
|
|
296 |
| 03/20/17 | 10-K | Annual report pursuant to Section 13 and 15(d) |
|
|
179 |
