Date Form Description PDF XBRL Pages
05/10/12 4 Statement of changes in beneficial ownership of securities PDF 2
05/10/12 4 Statement of changes in beneficial ownership of securities PDF 2
05/09/12 4 Statement of changes in beneficial ownership of securities PDF 2
05/02/12 4 Statement of changes in beneficial ownership of securities PDF 2
04/27/12 10-Q Quarterly report pursuant to Section 13 or 15(d)
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EX-10.1
EX-31.1
EX-31.2
EX-32.1
EX-32.2
 PDF Document Table XBRL XAML 100
04/26/12 8-K Current report filing
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EX-99.1
 PDF 30
04/04/12 ARS Annual report to security holders PDF 154
04/02/12 4 Statement of changes in beneficial ownership of securities PDF 2
03/29/12 S-3ASR Automatic shelf registration statement of securities of well-known seasoned issuers
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EX-5.1
EX-8.1
EX-23.1
 PDF 26
03/29/12 DEFA14A Additional definitive proxy soliciting materials and Rule 14(a)(12) material PDF 6
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