| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 08/01/19 | UPLOAD | Form UPLOAD: SEC-generated letter | 2 | |
| 07/30/19 | CORRESP | Form CORRESP: Correspondence | 1 | |
| 07/30/19 | CORRESP | Form CORRESP: Correspondence | 1 | |
| 07/30/19 | S-1/A | Form S-1/A: General form for registration of securities under the Securities Act of 1933 | 97 | |
| 07/26/19 | S-1/A | Form S-1/A: General form for registration of securities under the Securities Act of 1933 | 154 | |
| 07/25/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 07/25/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 07/25/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 07/25/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 07/25/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |