| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/10/17 | Statement of changes in beneficial ownership of securities | 
     PDF   
   | 
  2 | ||
| 02/10/17 | Statement of changes in beneficial ownership of securities | 
     PDF   
   | 
  2 | ||
| 02/10/17 | Statement of changes in beneficial ownership of securities | 
     PDF   
   | 
  2 | ||
| 02/09/17 | Annual report pursuant to Section 13 and 15(d) | 
     PDF   
   | 
  
           ZIP        | 
  233 | |
| 02/09/17 | Statement of changes in beneficial ownership of securities | 
     PDF   
   | 
  1 | ||
| 02/09/17 | Statement of changes in beneficial ownership of securities | 
     PDF   
   | 
  1 | ||
| 02/09/17 | Statement of changes in beneficial ownership of securities | 
     PDF   
   | 
  1 | ||
| 02/09/17 | Statement of changes in beneficial ownership of securities | 
     PDF   
   | 
  1 | ||
| 02/09/17 | Statement of changes in beneficial ownership of securities | 
     PDF   
   | 
  1 | ||
| 02/09/17 | Statement of changes in beneficial ownership of securities | 
     PDF   
   | 
  1 |