| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 01/29/18 | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions | 
       
   | 
  6 | ||
| 01/09/18 | Initial statement of beneficial ownership of securities | 
       
   | 
  3 | ||
| 12/05/17 | Current report filing | 
       
   | 
  5 | ||
| 11/07/17 | Quarterly report pursuant to Section 13 or 15(d) | 
       
   | 
  
                  | 
  27 | |
| 11/06/17 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 11/03/17 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 10/30/17 | Current report filing | 
       
   | 
  6 | ||
| 10/26/17 | Current report filing | 
       
   | 
  8 | ||
| 09/06/17 | Current report filing | 
       
   | 
  5 | ||
| 08/17/17 | Statement of changes in beneficial ownership of securities | 
       
   | 
  4 | 

