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| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/14/12 | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions |
|
3 | ||
| 02/13/12 | 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 | ||
| 01/31/12 | Current report filing |
|
4 | ||
| 01/30/12 | Current report filing |
|
66 | ||
| 01/10/12 | Current report filing |
|
3 | ||
| 12/14/11 | Current report filing |
|
6 | ||
| 12/14/11 | Quarterly report pursuant to Section 13 or 15(d) |
|
  |
45 | |
| 12/14/11 | Current report filing |
|
9 | ||
| 12/06/11 | Current report filing |
|
3 | ||
| 11/18/11 | Definitive proxy statements |
|
27 |