| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/14/15 | Statement of changes in beneficial ownership of securities | 
     PDF   
   | 
  3 | ||
| 05/14/15 | Prospectus filed pursuant to Rule 424(b)(2) | 
     PDF   
   | 
  34 | ||
| 05/13/15 | Current report filing | 
     PDF   
   | 
  2 | ||
| 05/13/15 | Filing under Securities Act Rules 163/433 of free writing prospectuses | 
     PDF   
   | 
  3 | ||
| 05/13/15 | Prospectus filed pursuant to Rule 424(b)(2) | 
     PDF   
   | 
  34 | ||
| 04/30/15 | Quarterly report pursuant to Section 13 or 15(d) | 
     PDF   
   | 
  
           ZIP        | 
  47 | |
| 04/27/15 | Additional definitive proxy soliciting materials and Rule 14(a)(12) material | 
     PDF   
   | 
  2 | ||
| 04/23/15 | Current report filing | 
     PDF   
   | 
  7 | ||
| 04/16/15 | SEC-generated letter | 
     PDF   
   | 
  1 | ||
| 04/13/15 | A correspondence can be sent as a document with another submission type or can be sent as a separate submission. | 
     PDF   
   | 
  4 |