| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/16/13 | DEFA14A | Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
|
3 | |
| 04/01/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/01/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/01/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/20/13 | DEFA14A | Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
|
5 | |
| 03/20/13 | DEF 14A | Definitive proxy statements |
|
107 | |
| 03/01/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/01/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/28/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/22/13 | 10-K | Annual report pursuant to Section 13 and 15(d) |
|
   |
228 |