| Date | Form | Description | XBRL | |
|---|---|---|---|---|
| 11/13/12 | Quarterly report pursuant to Section 13 or 15(d) |
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| 11/13/12 | Current report filing |
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| 10/19/12 | Current report filing |
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| 10/15/12 | Definitive proxy statements |
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| 10/12/12 | Current report filing |
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| 10/04/12 | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions |
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| 10/03/12 | Annual statement of changes in beneficial ownership of securities |
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| 09/24/12 | Annual report pursuant to Section 13 and 15(d) |
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| 09/24/12 | Current report filing |
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| 05/14/12 | Quarterly report pursuant to Section 13 or 15(d) |
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