Financials & Filings Show all 2020 Q1 Form 10-Q Annual Reports Title Documents 2019 Annual Report Add Files 2019 Annual Report 1.9 MB 2018 Annual Report Add Files 2018 Annual Report 1.2 MB Proxy Statements Filing date View Sep 11, 2020 View HTML 0001140361-20-020186.pdf 0001140361-20-020186.xls Apr 13, 2020 View HTML 0001140361-20-008724.pdf 0001140361-20-008724.xls Form 10-K Filing date View Mar 5, 2020 View HTML 0001140361-20-004976.pdf 0001140361-20-004976.xls EX-101.INS - XBRL INSTANCE DOCUMENT Feb 21, 2019 View HTML 0001140361-19-003638.pdf 0001140361-19-003638.xls EX-101.INS - XBRL INSTANCE DOCUMENT Form 10-Q Filing date View Aug 5, 2020 View HTML 0001140361-20-017557.pdf 0001140361-20-017557.xls EX-101.INS - XBRL INSTANCE DOCUMENT May 14, 2020 View HTML 0001140361-20-011626.pdf 0001140361-20-011626.xls EX-101.INS - XBRL INSTANCE DOCUMENT