| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/18/16 | Initial registration statement for securities to be offered to employees pursuant to employee benefit plans | 
     PDF   
   | 
  8 | ||
| 05/17/16 | Current report filing | 
     PDF   
   | 
  
           ZIP        | 
  120 | |
| 05/13/16 | Statement of changes in beneficial ownership of securities | 
     PDF   
   | 
  2 | ||
| 05/13/16 | Statement of changes in beneficial ownership of securities | 
     PDF   
   | 
  2 | ||
| 05/12/16 | Statement of changes in beneficial ownership of securities | 
     PDF   
   | 
  1 | ||
| 05/12/16 | Statement of changes in beneficial ownership of securities | 
     PDF   
   | 
  1 | ||
| 05/12/16 | Statement of changes in beneficial ownership of securities | 
     PDF   
   | 
  1 | ||
| 05/12/16 | Statement of changes in beneficial ownership of securities | 
     PDF   
   | 
  1 | ||
| 05/12/16 | Statement of changes in beneficial ownership of securities | 
     PDF   
   | 
  1 | ||
| 05/12/16 | Statement of changes in beneficial ownership of securities | 
     PDF   
   | 
  1 |