Stockholders Equity (Tables)

3 Months Ended

Mar. 31, 2021

Stockholders Equity (Tables) [Line Items]

Schedule of black-scholes option-pricing model

	Three Months Ended March 31,
	2021		2020
Underlying value of Common Stock ($)		7.02		6.21
Exercise price ($)		7.02		6.21
Expected volatility (%)		85.0		85.0
Term of the option (years)		6.11		6.11
Risk-free interest rate (%)		1.17		0.52

Schedule of options granted to purchase common stock

	For the Three Months Ended March 31, 2021
	Number of Options			Weighted Average Exercise Price		Aggregate Intrinsic Value
Outstanding at the beginning of period		3,569,766			3.12		12,338
Granted		985,530			7.02
Forfeited		(78,854	)		3.86
Exercised		(12,646	)		1.84
Outstanding at the end of period		4,463,796			3.97		14,612
Exercisable at the end of period		2,135,586
Weighted average remaining contractual life of outstanding options – years as of March 31, 2021		7.91

Schedule of share-based payment expenses

	Three Months Ended March 31,
	2021		2020
Research and development expenses, net		331		192
General and administrative		199		145
		530		337

Warrant [Member]

Stockholders Equity (Tables) [Line Items]

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		(*	)		-
Private Warrants issued to scientific founders (see 2 below)	November 27, 2017			-			2,974
							2,974

(*) less than $0.001.