SHARE-BASED PAYMENT (Tables)

6 Months Ended

Jun. 30, 2019

SHARE-BASED PAYMENT [Abstract]

Compensation Related Costs

The total compensation cost related to all of the Company's equity-based awards, recognized during the presented periods was comprised as follows:

	Six months ended June 30,				Three months ended June 30,				Year ended December 31,
	2019		2018		2019		2018		2018
	Unaudited								Audited
Research and development	$	593	$	627	$	364	$	145	$	705
General and administrative		1,817		996		955		634		2,870
	$	2,410	$	1,623	$	1,319	$	779	$	3,575

Fair Value Measurement of Equity-Settled Share Options

Based on the above inputs, the fair value of the options was determined at $10.50 - $11.01 at the grant dates during 2019.

	June 30,						December 31,
	2019			2018			2018
	Unaudited						Audited
Dividend yield (%)		0			0			0
Expected volatility of the share prices (%)		88%-95	%		89%-94	%		93%-95	%
Risk-free interest rate (%)		2.52-2.7			2.28-3			2.88-2.63

Stock Option Activity

Movement during the periods:

	Six months ended June 30,										Year ended December 31,
	2019					2018					2018
	Number of options			Weighted average exercise price		Number of options			Weighted average exercise price		Number of options			Weighted average exercise price
Outstanding at beginning of period		3,197,616		$	3.07		2,467,023		$	2.28		2,467,023		$	2.28
Granted		544,800			10.93		401,921			4.9		751,977			5.60
Expired		-			-		-			-		(2,000	)		6.00
Exercised		(466,375	)		0.25		-			-		(9,692	)		0.25
Forfeited		-			-		(9,692	)		0.25		(9,692	)		0.25
Share options outstanding at end of period		3,276,041			4.78		2,859,252			2.65		3,197,616			3.07
Share options exercisable at end of period		1,438,658		$	2.16		1,664,152		$	1.08		1,705,256		$	1.21