Financials & Filings Show all 2018 Q4 Form 10-K Annual Reports Title Documents 2018 Annual Report Add Files 2018 Annual Report 1.2 MB 2017 Annual Report Add Files 2017 Annual Report 2.7 MB Proxy Statements Filing date View Apr 9, 2019 View HTML 0001140361-19-006790.pdf 0001140361-19-006790.xls Nov 30, 2018 View HTML 0001140361-18-044179.pdf 0001140361-18-044179.xls Form 10-K Filing date View Feb 21, 2019 View HTML 0001140361-19-003638.pdf 0001140361-19-003638.xls EX-101.INS - XBRL INSTANCE DOCUMENT Mar 22, 2018 View HTML 0001140361-18-014681.pdf 0001140361-18-014681.xls EX-101.INS - XBRL INSTANCE DOCUMENT Form 10-Q Filing date View May 9, 2019 View HTML 0001140361-19-008866.pdf 0001140361-19-008866.xls EX-101.INS - XBRL INSTANCE DOCUMENT Nov 7, 2018 View HTML 0001140361-18-042642.pdf 0001140361-18-042642.xls EX-101.INS - XBRL INSTANCE DOCUMENT