| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 04/30/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 04/30/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 04/25/12 | 10-Q | Form 10-Q: Quarterly report pursuant to Section 13 or 15(d) |
|
57 |
| 04/25/12 | 8-K | Form 8-K: Current report filing | 24 | |
| 03/30/12 | DEFA14A | Form DEFA14A: Additional definitive proxy soliciting materials and Rule 14(a)(12) material | 6 | |
| 03/30/12 | DEF 14A | Form DEF 14A: Definitive proxy statements | 58 | |
| 03/20/12 | PRE 14A | Form PRE 14A: Preliminary proxy statement not related to a contested matter or merger/acquisition | 58 | |
| 03/15/12 | 8-K | Form 8-K: Current report filing | 44 | |
| 03/14/12 | 424B2 | Form 424B2: Prospectus filed pursuant to Rule 424(b)(2) | 76 | |
| 03/12/12 | FWP | Form FWP: Filing under Securities Act Rules 163/433 of free writing prospectuses | 1 |