| Date | Form | Description | XBRL | Pages | 
|---|---|---|---|---|
| 06/25/21 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 06/25/21 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 06/25/21 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 06/22/21 | 8-K | Form 8-K: Current report filing | 
                                            
                             | 
                  19 | 
| 04/22/21 | UPLOAD | Form UPLOAD: SEC-generated letter | 1 | |
| 04/22/21 | CORRESP | Form CORRESP: A correspondence can be sent as a document with another submission type or can be sent as a separate submission. | 14 | |
| 04/08/21 | CORRESP | Form CORRESP: A correspondence can be sent as a document with another submission type or can be sent as a separate submission. | 11 | |
| 04/06/21 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/26/21 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/15/21 | CORRESP | Form CORRESP: A correspondence can be sent as a document with another submission type or can be sent as a separate submission. | 3 |