Note 1 - Nature of the Business and Basis of Preparation (Tables)

6 Months Ended

Jun. 30, 2019

Notes Tables

Schedule of Subsidiaries [Table Text Block]

Name of company	Place of incorporation	Date of incorporation	Percentage of ownership by the Company	Principal activities
BeyondSpring Pharmaceuticals Inc.	Delaware, United States of America (“U.S.”)	June 18, 2013	100%	Clinical trial activities
BeyondSpring Ltd.	BVI	December 3, 2014	100%	Holding company
BeyondSpring (HK) Limited	Hong Kong	January 13, 2015	100%	Holding company
Wanchun Biotechnology Limited	BVI	April 1, 2015	100%	Holding company
Wanchun Biotechnology (Shenzhen) Ltd.	The People’s Republic of China (“PRC”)	April 23, 2015	100%	Holding company
Wanchunbulin	PRC	May 6, 2015	60%	Clinical trial activities
BeyondSpring Pharmaceuticals Australia PTY Ltd. (“BeyondSpring Australia”)	Australia	March 3, 2016	100%	Clinical trial activities
Beijing Wanchun Pharmaceutical Technology Ltd. (“Beijing Wanchun”)	PRC	May 21, 2018	60%	Clinical trial activities
SEED	BVI	June 25, 2019	100%	Holding company