| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/11/20 | 8-K | Form 8-K: Current report filing | 31 | |
| 01/16/20 | 8-K | Form 8-K: Current report filing | 192 | |
| 01/14/20 | 8-K | Form 8-K: Current report filing | 6 | |
| 01/13/20 | 8-K | Form 8-K: Current report filing | 61 | |
| 12/20/19 | 8-K | Form 8-K: Current report filing | 71 | |
| 11/06/19 | 10-Q | Form 10-Q: Quarterly report pursuant to Section 13 or 15(d) |
|
67 |
| 11/06/19 | 8-K | Form 8-K: Current report filing | 30 | |
| 08/06/19 | 10-Q | Form 10-Q: Quarterly report pursuant to Section 13 or 15(d) |
|
61 |
| 08/06/19 | 8-K | Form 8-K: Current report filing | 30 | |
| 05/31/19 | SD | Form 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 |