Research and Development Expenses (Tables)

12 Months Ended

Dec. 31, 2019

Research And Development Expenses

Schedule of research and development expenses

	Year ended December 31,
	2019			2018		2017
	USD
Clinical and preclinical trials	$	10,290		$	4,768	$	3,809
Salary and related expenses		814			909		888
Patents		163			229		234
Royalties		11			14		11
Laboratory materials		40			73		63
Rent		51			51		51
Depreciation		5			3		3
Others		(398	)		28		47
	$	10,976		$	6,075	$	5,106