| Date | Form | Description | XBRL | |
|---|---|---|---|---|
| 10/31/11 | 4 | Statement of changes in beneficial ownership of securities |
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| 10/31/11 | 4 | Statement of changes in beneficial ownership of securities |
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| 10/31/11 | 4 | Statement of changes in beneficial ownership of securities |
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| 10/31/11 | 4 | Statement of changes in beneficial ownership of securities |
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| 10/31/11 | 4 | Statement of changes in beneficial ownership of securities |
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| 10/26/11 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) |
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| 10/26/11 | 8-K | Current report filing |
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| 09/20/11 | 4 | Statement of changes in beneficial ownership of securities |
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| 09/12/11 | 4 | Statement of changes in beneficial ownership of securities |
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| 09/06/11 | 4 | Statement of changes in beneficial ownership of securities |
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