| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 11/12/19 | 8-K | Form 8-K: Current report filing | 9 | |
| 10/17/19 | UPLOAD | Form UPLOAD: SEC-generated letter | 1 | |
| 10/07/19 | CORRESP | Form CORRESP: A correspondence can be sent as a document with another submission type or can be sent as a separate submission. | 4 | |
| 09/23/19 | UPLOAD | Form UPLOAD: SEC-generated letter | 3 | |
| 08/08/19 | 10-Q | Form 10-Q: Quarterly report pursuant to Section 13 or 15(d) |
|
103 |
| 08/08/19 | 8-K | Form 8-K: Current report filing | 9 | |
| 05/30/19 | 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) | 22 | |
| 05/17/19 | 8-K | Form 8-K: Current report filing | 3 | |
| 05/09/19 | 10-Q | Form 10-Q: Quarterly report pursuant to Section 13 or 15(d) |
|
76 |
| 05/09/19 | 8-K | Form 8-K: Current report filing | 9 |