| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/11/16 | Current report filing | 
     PDF   
   | 
  3 | ||
| 05/06/16 | Statement of changes in beneficial ownership of securities | 
     PDF   
   | 
  1 | ||
| 05/05/16 | Statement of changes in beneficial ownership of securities | 
     PDF   
   | 
  1 | ||
| 05/04/16 | Statement of changes in beneficial ownership of securities | 
     PDF   
   | 
  2 | ||
| 05/03/16 | Quarterly report pursuant to Section 13 or 15(d) | 
     PDF   
   | 
  
           ZIP        | 
  81 | |
| 04/29/16 | Additional definitive proxy soliciting materials and Rule 14(a)(12) material | 
     PDF   
   | 
  3 | ||
| 04/26/16 | Current report filing | 
     PDF   
   | 
  6 | ||
| 04/20/16 | Statement of changes in beneficial ownership of securities | 
     PDF   
   | 
  1 | ||
| 04/14/16 | Additional definitive proxy soliciting materials and Rule 14(a)(12) material | 
     PDF   
   | 
  2 | ||
| 03/29/16 | Current report filing | 
     PDF   
   | 
  2 |