| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 12/15/14 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 12/15/14 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 12/15/14 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 12/15/14 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 12/15/14 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 12/15/14 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 12/01/14 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 12/01/14 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 11/25/14 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 11/19/14 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | 


