| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 09/18/19 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 09/16/19 | 8-K | Current report filing | 
       
   | 
  6 | |
| 09/11/19 | 8-K | Current report filing | 
       
   | 
  5 | |
| 08/29/19 | 4/A | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 08/29/19 | 4/A | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | |
| 08/20/19 | 8-K | Current report filing | 
       
   | 
  55 | |
| 08/16/19 | 8-K | Current report filing | 
       
   | 
  6 | |
| 08/14/19 | DEFA14A | Additional definitive proxy soliciting materials and Rule 14(a)(12) material | 
       
   | 
  3 | |
| 08/13/19 | DEF 14A | Definitive proxy statements | 
       
   | 
  96 | |
| 08/09/19 | 8-K | Current report filing | 
       
   | 
  27 | 
