Financials & Filings Proxy Statements Filing date View Dec 4, 2017 View HTML 0001171843-17-007401.pdf 0001171843-17-007401.xls Jan 3, 2017 View HTML 0001171843-17-000008.pdf 0001171843-17-000008.xls Form 10-K Filing date View Apr 2, 2018 View HTML 0001171843-18-002453.pdf 0001171843-18-002453.xls EX-101.INS - XBRL INSTANCE FILE Mar 15, 2017 View HTML 0001171843-17-001534.pdf 0001171843-17-001534.xls EX-101.INS - XBRL INSTANCE FILE Form 10-Q Filing date View Aug 14, 2018 View HTML 0001171843-18-006072.pdf 0001171843-18-006072.xls EX-101.INS - XBRL INSTANCE FILE May 15, 2018 View HTML 0001171843-18-003957.pdf 0001171843-18-003957.xls EX-101.INS - XBRL INSTANCE FILE