| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/26/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/26/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/26/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/26/12 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) |
|
   |
42 |
| 04/25/12 | 8-K | Current report filing |
|
16 | |
| 04/02/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/02/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/21/12 | DEF 14A | Definitive proxy statements |
|
80 | |
| 03/01/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/28/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |