| Date | Form | Description | Docs | XBRL | Pages |
| 05/04/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 05/04/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 05/04/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 05/04/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 02/27/12 | DEF 14A | Definitive proxy statements |
|
24 | |
| 02/15/12 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) |
|
|
38 |
| 12/30/11 | 8-K | Current report filing |
|
3 | |
| 11/29/11 | 8-K | Current report filing |
|
4 | |
| 11/10/11 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) |
|
|
32 |
| 08/12/11 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) |
|
|
31 |
