Date Form Description XBRL Pages
03/19/13 4 Form 4: Statement of changes in beneficial ownership of securities 1
03/19/13 4 Form 4: Statement of changes in beneficial ownership of securities 1
03/19/13 4 Form 4: Statement of changes in beneficial ownership of securities 1
03/19/13 4 Form 4: Statement of changes in beneficial ownership of securities 1
03/19/13 4 Form 4: Statement of changes in beneficial ownership of securities 1
03/19/13 4 Form 4: Statement of changes in beneficial ownership of securities 1
03/19/13 4 Form 4: Statement of changes in beneficial ownership of securities 1
03/01/13 10-K Form 10-K: Annual report [Section 13 and 15(d), not S-K Item 405] 120
02/28/13 8-K Form 8-K: Current report 9
02/14/13 SC 13G/A Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors 20
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