| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/28/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/23/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/23/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/23/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/23/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/23/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/23/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/23/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/23/12 | 10-K | Annual report pursuant to Section 13 and 15(d) |
|
   |
101 |
| 02/16/12 | 8-K | Current report filing |
|
16 |