Investor Home NASDAQICLKYearTrailing 12-MonthsCalendar Year 2021Calendar Year 2020Calendar Year 2019Calendar Year 2018Calendar Year 2017Calendar Year 2011Calendar Year 2010Calendar Year 2009ViewAll FilingsAnnual FilingsCurrent FilingsRegistration StatementsSection 16OtherFormDescriptionDateFormat20-FRegistration of securities of foreign private issuers pursuant to section 12(b) or (g)Apr 30, 2020Open Registration of securities of foreign private issuers pursuant to section 12(b) or (g) in HTML.Open Registration of securities of foreign private issuers pursuant to section 12(b) or (g) in DOC file.Open Registration of securities of foreign private issuers pursuant to section 12(b) or (g) in PDF file.Open Registration of securities of foreign private issuers pursuant to section 12(b) or (g) in XLS file.Open Registration of securities of foreign private issuers pursuant to section 12(b) or (g) in XBLR Viewer.Open Registration of securities of foreign private issuers pursuant to section 12(b) or (g) in XBLR file.