| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/14/14 | Statement of changes in beneficial ownership of securities | 
     PDF   
   | 
  1 | ||
| 05/14/14 | Statement of changes in beneficial ownership of securities | 
     PDF   
   | 
  1 | ||
| 05/14/14 | Statement of changes in beneficial ownership of securities | 
     PDF   
   | 
  1 | ||
| 05/14/14 | Statement of changes in beneficial ownership of securities | 
     PDF   
   | 
  1 | ||
| 05/14/14 | Statement of changes in beneficial ownership of securities | 
     PDF   
   | 
  1 | ||
| 05/14/14 | Statement of changes in beneficial ownership of securities | 
     PDF   
   | 
  1 | ||
| 05/14/14 | Statement of changes in beneficial ownership of securities | 
     PDF   
   | 
  1 | ||
| 05/14/14 | Statement of changes in beneficial ownership of securities | 
     PDF   
   | 
  1 | ||
| 05/14/14 | Current report filing | 
     PDF   
   | 
  2 | ||
| 05/09/14 | A correspondence can be sent as a document with another submission type or can be sent as a separate submission. | 
     PDF   
   | 
  1 |