| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/30/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/25/18 | 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) |
|
4 | |
| 05/15/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/04/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/02/18 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) |
|
   |
22 |
| 04/30/18 | 8-K | Current report filing |
|
24 | |
| 04/26/18 | 8-K | Current report filing |
|
26 | |
| 02/27/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/27/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/27/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
