| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 01/20/21 | 8-K | Current report filing | ZIP | 3 | |
| 10/20/20 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) | ZIP | 44 | |
| 10/20/20 | 8-K | Current report filing | ZIP | 30 | |
| 10/02/20 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 08/31/20 | 8-K | Current report filing | ZIP | 92 | |
| 08/10/20 | 8-K | Current report filing | ZIP | 14 | |
| 07/27/20 | S-3ASR | Automatic shelf registration statement of securities of well-known seasoned issuers | 31 | ||
| 07/22/20 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) | ZIP | 42 | |
| 07/21/20 | 8-K | Current report filing | ZIP | 13 | |
| 05/21/20 | 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 |