| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/20/13 | Current report filing |
|
3 | ||
| 05/09/13 | Quarterly report pursuant to Section 13 or 15(d) |
|
  |
42 | |
| 05/09/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 04/25/13 | Current report filing |
|
43 | ||
| 04/05/13 | Initial statement of beneficial ownership of securities |
|
1 | ||
| 04/03/13 | Annual report to security holders |
|
124 | ||
| 04/02/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 03/29/13 | Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
|
3 | ||
| 03/29/13 | Definitive proxy statements |
|
46 | ||
| 03/20/13 | Statement of changes in beneficial ownership of securities |
|
2 |