Date Form Description XBRL Pages
05/08/12 8-K Form 8-K: Current report filing 18
04/23/12 DEF 14A Form DEF 14A: Definitive proxy statements 45
03/30/12 8-K Form 8-K: Current report filing 3
03/19/12 8-K Form 8-K: Current report filing 175
03/14/12 8-K Form 8-K: Current report filing 5
03/14/12 424B5 Form 424B5: Prospectus filed pursuant to Rule 424(b)(5) 13
03/07/12 8-K Form 8-K: Current report filing 9
02/29/12 S-3ASR Form S-3ASR: Automatic shelf registration statement of securities of well-known seasoned issuers 46
02/27/12 10-K Form 10-K: Annual report pursuant to Section 13 and 15(d) 187
02/16/12 4 Form 4: Statement of changes in beneficial ownership of securities 1
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