| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/29/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/29/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/29/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/29/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/29/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/28/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/28/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/22/12 | 8-K | Current report filing |
|
16 | |
| 02/21/12 | 10-K | Annual report pursuant to Section 13 and 15(d) |
|
   |
144 |
| 02/14/12 | SC 13G/A | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions |
|
4 |
