Shareholders Equity (Tables)

3 Months Ended

Mar. 31, 2020

Equity [Abstract]

Schedule of black-scholes option-pricing model

	Three months ended March 31,
	2020		2019
Underlying value of ordinary share ($)		6.21		2.03
Exercise price ($)		6.21		2.03
Expected volatility (%)		85.0		93.1
Term of the option (years)		6.25		6.25
Risk-free interest rate (%)		0.52		2.23

Schedule of options granted to purchase ordinary shares

	For the three months ended March 31, 2020
	Number of Options			Weighted average exercise price		Aggregate intrinsic value
Outstanding at the beginning of period		3,143,802			1.09		25,733
Granted		814,700			6.21
Forfeited		(16,747	)		1.69
Exercised		(57,325	)		1.85
Outstanding at the end of period		3,884,430			2.87		16,035
Vested at end of period		1,654,090
Weighted average remaining contractual life – years as of March 31, 2020		6.96

Schedule of outstanding warrants

Warrant	Issuance Date	Expiration Date	Exercise Price Per Share			Number of Shares of Common Stock Underlying Warrants
Private Warrants issued to Yeda (see 1 below)	May 11, 2017	May 11, 2025		(*	)		591,382
Private Warrants issued to Founders (see 2 below)	November 27, 2017			-			10,589
Private Placement Warrants (see 3 below)	IPO (December 13, 2018)	December 13, 2023	$	11.50			2,900,000
Public Warrants (see 4 below)	IPO (December 13, 2018)	October 28, 2024	$	11.50			3,500,000
							7,001,971

(*) less than $0.001.

Schedule of share-based payment expenses

	Three months ended   March 31,
	2020		2019
R&D		192		194
General and administrative		145		110
		337		304