| Date | Form | Description | XBRL | |
|---|---|---|---|---|
| 02/16/07 | 4 | Statement of changes in beneficial ownership of securities |
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| 02/16/07 | 4 | Statement of changes in beneficial ownership of securities |
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| 02/16/07 | 4 | Statement of changes in beneficial ownership of securities |
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| 02/16/07 | 4 | Statement of changes in beneficial ownership of securities |
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| 02/16/07 | 4 | Statement of changes in beneficial ownership of securities |
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| 02/13/07 | 8-K | Current report filing |
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| 02/01/07 | 8-K | Current report filing |
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| 01/23/07 | SC 13G | 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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| 12/21/06 | 8-K | Current report filing |
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| 12/15/06 | 8-K/A | Current report filing |
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