| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/04/14 | 8-K | Current report filing | 
       
   | 
  3 | |
| 02/19/14 | SC 13G | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions | 
       
   | 
  5 | |
| 02/14/14 | SC 13G | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions | 
       
   | 
  7 | |
| 02/05/14 | 8-K | Current report filing | 
       
   | 
  5 | |
| 01/30/14 | 8-K/A | Current report filing | 
       
   | 
  37 | |
| 01/16/14 | 8-K | Current report filing | 
       
   | 
  7 | |
| 12/18/13 | 8-K | Current report filing | 
       
   | 
  4 | |
| 12/13/13 | 3 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 12/12/13 | 3 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 12/12/13 | 3 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | 

