Date Form Description PDF XBRL Pages
05/04/12 4 Statement of changes in beneficial ownership of securities PDF 2
05/04/12 4 Statement of changes in beneficial ownership of securities PDF 2
05/03/12 4 Statement of changes in beneficial ownership of securities PDF 2
05/01/12 4 Statement of changes in beneficial ownership of securities PDF 2
04/30/12 10-K Annual report pursuant to Section 13 and 15(d) PDF Document Table XBRL XAML 207
04/23/12 8-K Current report filing
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PDF 104
04/16/12 8-K Current report filing
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PDF 152
04/11/12 424B2 Prospectus filed pursuant to Rule 424(b)(2) PDF 56
04/11/12 FWP Filing under Securities Act Rules 163/433 of free writing prospectuses PDF 3
04/10/12 424B3 Prospectus filed pursuant to Rule 424(b)(3) PDF 55