| Date | Form | Description | XBRL |
|---|---|---|---|
| 07/24/19 | DRS/A | Form DRS/A: Draft Registration Statement | |
| 07/23/19 | DRSLTR | Form DRSLTR: Correspondence Related to Draft Registration Statement | |
| 06/18/19 | UPLOAD | Form UPLOAD: SEC-generated letter | |
| 05/21/19 | DRS | Form DRS: Draft Registration Statement |