| Date | Form | Description | XBRL | |
|---|---|---|---|---|
| 05/13/11 | Quarterly report pursuant to Section 13 or 15(d) |
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| 05/13/11 | Current report filing |
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| 02/14/11 | Quarterly report pursuant to Section 13 or 15(d) |
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| 02/14/11 | Current report filing |
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| 11/18/10 | SEC-generated letter |
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| 11/17/10 | Current report filing |
|
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| 11/17/10 | A correspondence can be sent as a document with another submission type or can be sent as a separate submission. |
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| 11/12/10 | Quarterly report pursuant to Section 13 or 15(d) |
|
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| 11/12/10 | Current report filing |
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| 11/08/10 | SEC-generated letter |
|