| Date | Form | Description | XBRL | |
|---|---|---|---|---|
| 06/21/13 | UPLOAD | SEC-generated letter |
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| 06/19/13 | CORRESP | A correspondence can be sent as a document with another submission type or can be sent as a separate submission. |
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| 06/14/13 | 11-K | Annual report of employee stock purchase, savings and similar plans |
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| 06/05/13 | UPLOAD | SEC-generated letter |
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| 05/30/13 | 4 | Statement of changes in beneficial ownership of securities |
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| 05/22/13 | 8-K | Current report filing |
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| 05/20/13 | 8-K | Current report filing |
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| 04/30/13 | 4 | Statement of changes in beneficial ownership of securities |
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| 04/29/13 | 10-Q/A | Quarterly report pursuant to Section 13 or 15(d) |
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| 04/29/13 | 4 | Statement of changes in beneficial ownership of securities |
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