| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/22/07 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 02/22/07 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 02/22/07 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 02/21/07 | 4/A | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 02/21/07 | 8-K | Current report filing | 
       
   | 
  2 | |
| 02/21/07 | 8-K | Current report filing | 
       
   | 
  2 | |
| 02/21/07 | 10-Q/A | Quarterly report pursuant to Section 13 or 15(d) | 
       
   | 
  65 | |
| 02/20/07 | 8-K | Current report filing | 
       
   | 
  63 | |
| 02/15/07 | 8-K | Current report filing | 
       
   | 
  12 | |
| 02/13/07 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | 

