| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/04/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/02/12 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) |
|
   |
31 |
| 05/01/12 | 8-K | Current report filing |
|
9 | |
| 03/27/12 | DEF 14A | Definitive proxy statements |
|
123 | |
| 03/15/12 | PRE 14A | Preliminary proxy statement not related to a contested matter or merger/acquisition |
|
123 | |
| 03/06/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/06/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/06/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/06/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/06/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
