| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 07/30/20 | 8-K | Current report filing | 
       
   | 
  49 | |
| 06/30/20 | 8-K | Current report filing | 
       
   | 
  3 | |
| 05/28/20 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 05/08/20 | 8-K | Current report filing | 
       
   | 
  4 | |
| 05/07/20 | 8-K | Current report filing | 
       
   | 
  4 | |
| 05/01/20 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) | 
       
   | 
  
                                | 
  39 | 
| 05/01/20 | 8-K | Current report filing | 
       
   | 
  45 | |
| 04/24/20 | 8-K | Current report filing | 
       
   | 
  3 | |
| 04/15/20 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 04/09/20 | DEF 14A | Definitive proxy statements | 
       
   | 
  75 | 



