| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 06/03/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 06/03/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/31/19 | 10-K | Annual report pursuant to Section 13 and 15(d) |
|
   |
81 |
| 05/31/19 | 8-K | Current report filing |
|
15 | |
| 05/31/19 | 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) |
|
3 | |
| 05/31/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/31/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/31/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/31/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/31/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |