| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/30/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 03/30/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 03/30/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 03/30/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 03/15/12 | Preliminary proxy statement not related to a contested matter or merger/acquisition |
|
109 | ||
| 03/09/12 | Current report filing |
|
3 | ||
| 02/28/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/27/12 | Current report filing |
|
68 | ||
| 02/27/12 | Annual report pursuant to Section 13 and 15(d) |
|
  |
182 | |
| 02/22/12 | Current report filing |
|
5 |