| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/29/12 | Current report filing |
|
3 | ||
| 05/23/12 | SEC-generated letter |
|
3 | ||
| 05/18/12 | Current report filing |
|
171 | ||
| 05/07/12 | Quarterly report pursuant to Section 13 or 15(d) |
|
  |
49 | |
| 04/27/12 | Current report filing |
|
42 | ||
| 04/06/12 | Annual report to security holders |
|
120 | ||
| 04/03/12 | Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
|
3 | ||
| 04/03/12 | Definitive proxy statements |
|
44 | ||
| 04/03/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 04/03/12 | Statement of changes in beneficial ownership of securities |
|
2 |