Investor Relations Investor Relations Investor Relations Press Releases Events & Presentations Corporate Governance Financials & Filings SEC Filings Annuals & Proxies Stock Information Investor FAQs Contact IR FINANCIALS & FILINGS Show all Annual Reports Documents Add Files 2019 Annual Report 1.3 MB Add Files 2018 Annual Report 3.4 MB Proxy Statements Filing date View Mar 19, 2020 0001275158-20-000044.pdf 0001275158-20-000044.xls Apr 03, 2019 0001275158-19-000015.pdf 0001275158-19-000015.xls Form 10-K Filing date View Feb 26, 2021 View HTML 0001275158-21-000015.pdf 0001275158-21-000015.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA Feb 26, 2020 View HTML 0001275158-20-000014.pdf 0001275158-20-000014.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA Form 10-Q Filing date View Oct 29, 2020 0001275158-20-000122.pdf 0001275158-20-000122.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA View HTML Aug 06, 2020 0001275158-20-000101.pdf 0001275158-20-000101.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA View HTML
FINANCIALS & FILINGS Show all Annual Reports Documents Add Files 2019 Annual Report 1.3 MB Add Files 2018 Annual Report 3.4 MB Proxy Statements Filing date View Mar 19, 2020 0001275158-20-000044.pdf 0001275158-20-000044.xls Apr 03, 2019 0001275158-19-000015.pdf 0001275158-19-000015.xls Form 10-K Filing date View Feb 26, 2021 View HTML 0001275158-21-000015.pdf 0001275158-21-000015.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA Feb 26, 2020 View HTML 0001275158-20-000014.pdf 0001275158-20-000014.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA Form 10-Q Filing date View Oct 29, 2020 0001275158-20-000122.pdf 0001275158-20-000122.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA View HTML Aug 06, 2020 0001275158-20-000101.pdf 0001275158-20-000101.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA View HTML