| Date | Form | Description | Docs | XBRL | Pages |
| 02/14/13 | 10-Q | Quarterly report pursuant to sections 13 or 15(d) |
|
|
25 |
| 02/11/13 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 02/11/13 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 02/11/13 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 02/11/13 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 01/28/13 | DEF 14A | Definitive proxy statements |
|
33 | |
| 01/15/13 | 10-K | Annual report pursuant to section 13 and 15(d) |
|
|
84 |
| 01/10/13 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 01/10/13 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 01/10/13 | 4 | Statement of changes in beneficial ownership of securities |
|
1 |