| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 01/22/13 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 01/18/13 | CT ORDER | Confidential treatment order | 
       
   | 
  2 | |
| 01/18/13 | 424B4 | Prospectus filed pursuant to Rule 424(b)(4) | 
       
   | 
  228 | |
| 01/18/13 | FWP | Filing under Securities Act Rules 163/433 of free writing prospectuses | 
       
   | 
  2 | |
| 01/17/13 | CERTNAS | Certification by the NASDAQ Stock Exchange approving securities for listing | 
       
   | 
  1 | |
| 01/17/13 | EFFECT | Notice of Effectiveness | 
       
   | 
  1 | |
| 01/17/13 | 3 | Initial statement of beneficial ownership of securities | 
       
   | 
  1 | |
| 01/17/13 | 3 | Initial statement of beneficial ownership of securities | 
       
   | 
  1 | |
| 01/17/13 | 3 | Initial statement of beneficial ownership of securities | 
       
   | 
  1 | |
| 01/17/13 | 3 | Initial statement of beneficial ownership of securities | 
       
   | 
  1 | 

