| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/08/17 | Statement of changes in beneficial ownership of securities | 
     PDF   
   | 
  1 | ||
| 02/08/17 | Statement of changes in beneficial ownership of securities | 
     PDF   
   | 
  1 | ||
| 02/08/17 | Statement of changes in beneficial ownership of securities | 
     PDF   
   | 
  1 | ||
| 01/26/17 | Annual statement of changes in beneficial ownership of securities | 
     PDF   
   | 
  1 | ||
| 01/24/17 | Current report filing | 
     PDF   
   | 
  8 | ||
| 01/19/17 | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions | 
     PDF   
   | 
  5 | ||
| 01/11/17 | Annual statement of changes in beneficial ownership of securities | 
     PDF   
   | 
  1 | ||
| 01/10/17 | No Action Letter | 
     PDF   
   | 
  39 | ||
| 01/10/17 | Annual statement of changes in beneficial ownership of securities | 
     PDF   
   | 
  1 | ||
| 12/14/16 | Statement of changes in beneficial ownership of securities | 
     PDF   
   | 
  1 |