| Date | Form | Description | Docs | XBRL | Pages |
| 05/07/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/07/12 | 4 | Statement of changes in beneficial ownership of securities |
|
4 | |
| 05/04/12 | UPLOAD | SEC-generated letter |
|
1 | |
| 05/03/12 | 8-K/A | Current report filing |
|
10 | |
| 04/26/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/25/12 | CORRESP | A correspondence can be sent as a document with another submission type or can be sent as a separate submission. |
|
5 | |
| 04/19/12 | 8-K | Current report filing |
|
27 | |
| 04/12/12 | UPLOAD | SEC-generated letter |
|
3 | |
| 03/23/12 | S-8 | Initial registration statement for securities to be offered to employees pursuant to employee benefit plans |
|
28 | |
| 03/19/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
