| Date | Form | Description | XBRL | |
|---|---|---|---|---|
| 03/05/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities |
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| 02/28/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities |
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| 02/26/13 | 8-K | Form 8-K: Current report filing |
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| 02/22/13 | 10-K | Form 10-K: Annual report pursuant to Section 13 and 15(d) |
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| 02/21/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities |
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| 02/21/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities |
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| 02/21/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities |
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| 02/21/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities |
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| 02/21/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities |
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| 02/21/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities |
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