Shareholders Equity (Tables)

12 Months Ended

Dec. 31, 2019

Equity [Abstract]

Schedule of fair value options granted

	2019		2018
Underlying value of ordinary share ($)		1.7-10		1.7-2
Exercise price ($)		1.7-10		1.7-2
Expected volatility (%)		93.1		93.1
Term of the option (years)		6.25		6.25
Risk-free interest rate (%)		2.23		2.25-3.05

Schedule of options to purchase company's ordinary shares

	For year ended December 31,
	2019
	Employees							Consultants
	Number of Options			Weighted average exercise price		Aggregate intrinsic value		Number of Options		Weighted average exercise price		Aggregate intrinsic value
Outstanding at the beginning of year		1,868,749			1.58		849		702,388		0.69		944
Granted		704,699			2.03				79,630		2.03
Forfeited		(137,682	)		1.90				-
Exercised		(74,581	)		1.34				-
Outstanding at the end of year		2,361,185			1.87		19,185		782,018		0.82		6,588
Vested at year end		1,011,862							470,236
Weighted average remaining contractual life – years as of December 31, 2019		8.16							7.29

	For year ended December 31,
	2018
	Employees							Consultants
	Number of Options			Weighted average exercise price		Aggregate intrinsic value		Number of Options		Weighted average exercise price		Aggregate intrinsic value
Outstanding at the beginning of year		1,278,900			1.29		840		518,442		0.21		915
Granted		801,310			1.98				183,946		2.03
Forfeited		(180,523	)		1.63				-
Exercised		(30,938	)		(*)				-
Outstanding at the end of year		1,868,749			1.58		849		702,388		0.69		944
Vested at year end		653,201							323,111
Weighted average remaining contractual life – years as of December 31, 2018		8.65							8.1

(*) Less than $0.01.

Schedule of share-based payment expenses

	Year ended December 31,
	2019		2018
	USD In thousands
R&D		450		623
General and administrative		488		328
		938		951

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.