| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/02/18 | 8-K | Current report filing |
|
9 | |
| 04/20/18 | 8-K | Current report filing |
|
5 | |
| 03/21/18 | 10-K | Annual report pursuant to Section 13 and 15(d) |
|
   |
146 |
| 12/18/17 | 8-K/A | Current report filing |
|
3 | |
| 11/14/17 | 8-K | Current report filing |
|
143 | |
| 11/13/17 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) |
|
|
32 |
| 10/06/17 | 8-K | Current report filing |
|
12 | |
| 08/11/17 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) |
|
|
32 |
| 07/21/17 | 8-K | Current report filing |
|
3 | |
| 05/26/17 | SD | Specialized Disclosure Report filed pursuant to Section 1502 of the Dodd-Frank Wall Street Reform and Consumer Protection Act relating to the use of conflict minerals (Rule 13p-1) |
|
7 |
