| Filing Date | Form Type | Description |
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|---|---|---|---|
| Sep 21, 2020 | 1-Z | 0 |
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| Aug 31, 2017 | 10-K | Annual report |
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| Dec 14, 2010 | 10-K | Annual report |
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| Dec 04, 2009 | 10-K | Annual report |
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| Dec 02, 2008 | 10-K | Annual report |
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| Mar 09, 2010 | 10-K/A | Annual report (Amendment) |
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| Jun 02, 2020 | CORRESP | Correspondence |
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| May 22, 2020 | CORRESP | Correspondence |
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| Apr 30, 2020 | CORRESP | Correspondence |
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| Feb 22, 2016 | CORRESP | Correspondence |
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