| Filing | Description | Date Filed | Size ![]() |
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| 8-K | current report | Apr 20, 2011 | 46.9 KB |
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| 8-K | current report | Sep 9, 2009 | 46.4 KB |
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| S-8 | registration statement | Jan 15, 2010 | 74.3 KB |
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| SC TO-I/A | other | May 7, 2012 | 60.2 KB |
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| 8-K | current report | Oct 18, 2011 | 70.5 KB |
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| SC 13G | statement of beneficial ownership | Feb 14, 2013 | 29.7 KB |
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| 8-K | current report | Mar 1, 2012 | 88.5 KB |
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| 8-K | current report | Feb 21, 2013 | 49.3 KB |
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| 8-K | current report | Feb 26, 2013 | 50.8 KB |
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| 8-K | current report | Feb 1, 2013 | 53.1 KB |
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| 8-K | current report | Nov 22, 2011 | 154.6 KB |
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| 8-K | current report | Aug 2, 2012 | 87.3 KB |
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| 8-K | current report | May 3, 2012 | 94.5 KB |
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| 8-K | current report | Nov 1, 2012 | 89.4 KB |
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| 8-K | current report | May 5, 2011 | 89.9 KB |
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| 8-K | current report | Mar 29, 2010 | 179.8 KB |
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| 8-K | current report | May 14, 2010 | 88.3 KB |
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| 8-K | current report | Aug 28, 2009 | 90.5 KB |
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| 8-K | current report | Mar 9, 2011 | 109.4 KB |
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| 8-K | current report | Nov 3, 2011 | 109.0 KB |
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