SEC FILINGS

Filing date	Form	Description	View
Jun 17, 2020	10-Q	Quarterly report which provides a continuing view of a company's financial position	0001275158-20-000084.pdf 0001275158-20-000084.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA View HTML
Jun 17, 2020	8-K	Report of unscheduled material events or corporate event	0001275158-20-000085.pdf 0001275158-20-000085.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA View HTML
Jun 09, 2020	4	Statement of changes in beneficial ownership of securities	0001275158-20-000080.pdf 0001275158-20-000080.xls View HTML
May 11, 2020	SC 13G	A statement of beneficial ownership of common stock by certain persons	0000315066-20-001501.pdf View HTML
May 11, 2020	8-K	Report of unscheduled material events or corporate event	0001275158-20-000078.pdf 0001275158-20-000078.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA View HTML
May 06, 2020	4	Statement of changes in beneficial ownership of securities	0001275158-20-000071.pdf 0001275158-20-000071.xls View HTML
May 06, 2020	4	Statement of changes in beneficial ownership of securities	0001275158-20-000070.pdf 0001275158-20-000070.xls View HTML
May 06, 2020	8-K	Report of unscheduled material events or corporate event	0001275158-20-000075.pdf 0001275158-20-000075.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA View HTML
May 04, 2020	4	Statement of changes in beneficial ownership of securities	0001275158-20-000063.pdf 0001275158-20-000063.xls View HTML
May 04, 2020	4	Statement of changes in beneficial ownership of securities	0001275158-20-000064.pdf 0001275158-20-000064.xls View HTML

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