| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/21/13 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 04/26/13 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 04/25/13 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) | ZIP | 41 | |
| 04/25/13 | 8-K | Current report filing | 11 | ||
| 04/19/13 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 04/12/13 | ARS | Annual report to security holders | 110 | ||
| 04/12/13 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 04/12/13 | DEFA14A | Additional definitive proxy soliciting materials and Rule 14(a)(12) material | 5 | ||
| 04/12/13 | DEF 14A | Definitive proxy statements | 48 | ||
| 04/11/13 | 4 | Statement of changes in beneficial ownership of securities | 1 |