| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/31/17 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 05/31/17 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 05/31/17 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 05/22/17 | Initial statement of beneficial ownership of securities | 
       
   | 
  3 | ||
| 05/18/17 | Current report filing | 
       
   | 
  8 | ||
| 05/10/17 | Quarterly report pursuant to Section 13 or 15(d) | 
       
   | 
  
                  | 
  26 | |
| 05/08/17 | Statement of changes in beneficial ownership of securities | 
       
   | 
  3 | ||
| 05/08/17 | Statement of changes in beneficial ownership of securities | 
       
   | 
  3 | ||
| 05/08/17 | Statement of changes in beneficial ownership of securities | 
       
   | 
  3 | ||
| 05/08/17 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | 

