| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 07/23/19 | 8-K | Current report filing | 14 | ||
| 06/25/19 | 8-K | Current report filing | 92 | ||
| 05/29/19 | 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) | 5 | ||
| 05/24/19 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 05/24/19 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 05/24/19 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 05/24/19 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 05/24/19 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 05/24/19 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 05/24/19 | 4 | Statement of changes in beneficial ownership of securities | 1 |