| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/29/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 03/29/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 03/29/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 03/29/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 03/29/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 03/22/13 | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities |
|
4 | ||
| 03/18/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 03/12/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 03/01/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/28/13 | Annual report pursuant to Section 13 and 15(d) |
|
 |
222 |