Note 11 - Share-based Compensation

6 Months Ended

Jun. 30, 2019

Notes to Financial Statements

Share-based Payment Arrangement [Text Block]

11. Share-based compensation

During the

six

months ended

June 30, 2019,

the Company granted

100,000

restricted shares to an employee, of which

50,000

restricted shares contain service vesting conditions and

50,000

restricted shares contain performance conditions.

The following table summarizes total share-based compensation expense recognized for the

three

and

six

months ended

June 30, 2018

and

2019:

	Three months ended				Six months ended
	June 30,				June 30,
	2018		2019		2018			2019
	(Unaudited)		(Unaudited)		(Unaudited)			(Unaudited)
Research and development		978		220		5,851			376
General and administrative		14		696		(658	)		911
Total		992		916		5,193			1,287