| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 07/26/13 | Quarterly report pursuant to Section 13 or 15(d) | 
       
   | 
  
                         | 
  127 | |
| 07/24/13 | Current report filing | 
       
   | 
  22 | ||
| 07/05/13 | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions | 
       
   | 
  18 | ||
| 06/11/13 | Current report filing | 
       
   | 
  22 | ||
| 06/07/13 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 06/07/13 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | 


