| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/30/12 | Annual report pursuant to Section 13 and 15(d) |
|
 |
109 | |
| 03/22/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 03/22/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 03/22/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 03/22/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 03/22/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 03/22/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 03/22/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/15/12 | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions |
|
5 | ||
| 02/10/12 | Notice of Effectiveness |
|
1 |