| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/27/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities |
|
1 | |
| 02/27/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities |
|
1 | |
| 02/27/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities |
|
1 | |
| 02/27/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities |
|
1 | |
| 02/27/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities |
|
1 | |
| 02/27/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities |
|
1 | |
| 02/27/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities |
|
1 | |
| 02/21/12 | 10-K | Form 10-K: Annual report pursuant to Section 13 and 15(d) |
|
|
101 |
| 02/21/12 | 8-K | Form 8-K: Current report filing |
|
15 | |
| 02/14/12 | SC 13G/A | Form 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 |