| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/15/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 03/12/13 | Current report filing |
|
3 | ||
| 03/05/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 03/01/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/27/13 | Annual report pursuant to Section 13 and 15(d) |
|
  |
164 | |
| 02/26/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/26/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/26/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/21/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/15/13 | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions |
|
13 |