| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/28/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/19/13 | 8-K | Current report filing |
|
7 | |
| 02/19/13 | 10-K | Annual report pursuant to Section 13 and 15(d) |
|
   |
110 |
| 02/01/13 | 8-K | Current report filing |
|
3 | |
| 02/01/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/18/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/17/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/13/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/11/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/06/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
