| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/29/13 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 04/29/13 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 04/29/13 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 04/26/13 | Current report filing |
|
3 | ||
| 04/22/13 | Current report filing |
|
11 | ||
| 03/26/13 | Annual report to security holders |
|
65 | ||
| 03/12/13 | Definitive proxy statements |
|
37 | ||
| 03/12/13 | Annual report pursuant to Section 13 and 15(d) |
|
   |
84 | |
| 02/22/13 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 02/20/13 | Statement of changes in beneficial ownership of securities |
|
3 |
