| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/25/18 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 05/25/18 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 05/25/18 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 05/25/18 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 05/25/18 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 05/25/18 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 05/25/18 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 05/24/18 | 8-K | Current report filing | 2 | ||
| 05/24/18 | 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 | ||
| 04/25/18 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) | ZIP | 37 |