| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/04/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/04/12 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) |
|
   |
16 |
| 04/26/12 | 8-K | Current report filing |
|
5 | |
| 04/24/12 | DEF 14A | Definitive proxy statements |
|
31 | |
| 03/08/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/24/12 | 10-K | Annual report pursuant to Section 13 and 15(d) |
|
|
35 |
| 02/10/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/10/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/10/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/10/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |