| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/03/20 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | |
| 04/03/20 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | |
| 04/03/20 | 3 | Initial statement of beneficial ownership of securities | 
       
   | 
  1 | |
| 04/03/20 | 8-K | Current report filing | 
       
   | 
  51 | |
| 03/27/20 | S-8 | Initial registration statement for securities to be offered to employees pursuant to employee benefit plans | 
       
   | 
  8 | |
| 03/20/20 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 03/16/20 | 8-K | Current report filing | 
       
   | 
  25 | |
| 03/13/20 | 4/A | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 03/13/20 | 4/A | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 03/13/20 | 10-K | Annual report pursuant to Section 13 and 15(d) | 
       
   | 
  
                                | 
  117 | 



