2020 10-Q for period ending September 30, 2020 10-Q for period ending June 30, 2020 10-Q for period ending March 31, 2020 2019 10-K for period ending December 31, 2019 10-Q for period ending September 30, 2019 10-Q for period ending June 30, 2019 10-Q for period ending March 31, 2019 2018 10-K for period ending December 31, 2018 10-Q for period ending September 30, 2018 10-Q for period ending June 30, 2018 10-Q for period ending March 31, 2018 2017 10-K for period ending December 31, 2017 2020-04-22