| Date | Form | Description | XBRL | |
|---|---|---|---|---|
| 05/02/11 | 4 | Statement of changes in beneficial ownership of securities |
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| 05/02/11 | 4 | Statement of changes in beneficial ownership of securities |
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| 04/29/11 | 4 | Statement of changes in beneficial ownership of securities |
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| 04/29/11 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) |
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| 04/27/11 | 8-K | Current report filing |
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| 04/14/11 | UPLOAD | SEC-generated letter |
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| 04/05/11 | 4 | Statement of changes in beneficial ownership of securities |
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| 04/01/11 | DEFA14A | Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
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| 04/01/11 | DEF 14A | Definitive proxy statements |
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| 03/10/11 | 4 | Statement of changes in beneficial ownership of securities |
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