| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/05/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/05/13 | 3 | Initial statement of beneficial ownership of securities |
|
2 | |
| 02/28/13 | 10-K | Annual report pursuant to Section 13 and 15(d) |
|
   |
193 |
| 02/26/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/26/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/21/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/21/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/19/13 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 02/19/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/19/13 | 8-K | Current report filing |
|
22 |