| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/02/16 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 02/29/16 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 02/29/16 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 02/25/16 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 02/25/16 | 10-K | Annual report pursuant to Section 13 and 15(d) | 
       
   | 
  
                                            | 
  92 | 
| 02/23/16 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 02/19/16 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 02/18/16 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 02/18/16 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 02/18/16 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | 




