Date Form Description PDF XBRL Pages
04/28/11 10-Q Quarterly report pursuant to Section 13 or 15(d)
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EX-31.1
EX-31.2
EX-32.1
 PDF 76
04/27/11 S-8 POS Post-effective amendment to a S-8 registration statement
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EX-5.1
EX-23.2
EX-23.3
 PDF 17
04/27/11 S-3ASR Automatic shelf registration statement of securities of well-known seasoned issuers
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EX-5.1
EX-8.1
EX-23.3
EX-23.4
 PDF 41
04/27/11 S-3ASR Automatic shelf registration statement of securities of well-known seasoned issuers
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EX-5.1
EX-5.2
EX-8.1
EX-23.3
EX-23.4
EX-25.1
 PDF 60
04/27/11 S-3ASR Automatic shelf registration statement of securities of well-known seasoned issuers
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EX-5.1
EX-8.1
EX-23.3
EX-23.4
 PDF 39
04/21/11 ARS Annual report to security holders PDF 147
04/20/11 DEF 14A Definitive proxy statements PDF 70
04/18/11 4 Statement of changes in beneficial ownership of securities PDF 2
04/07/11 4 Statement of changes in beneficial ownership of securities PDF 2
04/07/11 4 Statement of changes in beneficial ownership of securities PDF 2
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