| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/22/13 | 8-K | Current report filing |
|
14 | |
| 04/19/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/15/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/13/13 | ARS | Annual report to security holders |
|
134 | |
| 03/07/13 | DEFA14A | Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
|
4 | |
| 03/07/13 | DEF 14A | Definitive proxy statements |
|
40 | |
| 03/06/13 | 10-K | Annual report pursuant to Section 13 and 15(d) |
|
   |
116 |
| 03/04/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/04/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/04/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
