| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 01/03/13 | 8-K | Current report filing | 2 | ||
| 01/03/13 | 8-K | Current report filing | 3 | ||
| 12/20/12 | 4 | Statement of changes in beneficial ownership of securities | 2 | ||
| 12/20/12 | SC 13D/A | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities | 37 | ||
| 12/20/12 | SC 13D/A | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities | 11 | ||
| 12/20/12 | SC 13D/A | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities | 10 | ||
| 12/18/12 | 8-K | Current report filing | 133 | ||
| 12/14/12 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 12/13/12 | FWP | Filing under Securities Act Rules 163/433 of free writing prospectuses | 3 | ||
| 12/13/12 | 424B7 | Prospectus filed pursuant to Rule 424(b)(7) | 74 |