| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 05/09/13 | 10-Q | Form 10-Q: Quarterly report pursuant to Section 13 or 15(d) |
|
54 |
| 05/06/13 | ARS | Form ARS: Annual report to security holders | 1 | |
| 04/22/13 | DEF 14A | Form DEF 14A: Definitive proxy statements | 50 | |
| 03/29/13 | 8-K | Form 8-K: Current report filing | 42 | |
| 03/22/13 | 10-K | Form 10-K: Annual report pursuant to Section 13 and 15(d) |
|
99 |
| 03/05/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/05/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/05/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/06/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/06/13 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 |