Share-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2021

Share-based Payment Arrangement [Abstract]

Schedule of fair value measurement of equity-settled share options

	Year ended December 31,
	2021		2020
Dividend yield		0%		0%
Expected volatility of the share prices		65%		74%-79%
Risk-free interest rate		1.4%-1.5%		0.6%-1.38%
Expected term (in years)		8		8

Schedule of stock option plans

	Amount of options			Weighted average exercise price		Weighted average remaining contractual term (in years)		Aggregate intrinsic value
Balance as of December 31, 2020		3,892,714		$	5.15		6.65	$	608,179
Granted		1,318,351			7.33		-		-
Exercised		(438,759	)		1.43		-		-
Forfeited		(217,325	)		7.20		-		-
Expired		(143,557	)		7.08		-		-
Balance as of December 31, 2021		4,411,424			6.01		8.19		92,507
Exercisable as of December 31, 2021		2,171,616		$	5.57		7.11	$	92,507

Schedule of outstanding and exercisable option granted

Exercise price	Options outstanding as of December 31, 2021		Weighted average remaining contractual term (years)		Options exercisable as of December 31, 2021		Weighted average remaining contractual term (years)
$ 0.25-3.80		435,346		9.18		123,494		5.82
$ 4.15- 4.95		2,331,999		7.67		1,578,326		7.09
$ 5.21-7.56		546,150		8.62		210,074		7.41
$ 8.00-11.01		1,097,929		8.70		259,722		7.58
		4,411,424				2,171,616

Schedule of of restricted shares activity

	Amount of restricted shares			Weighted average grant date fair value
Unvested as of December 31, 2020		-		$	-
Granted		549,427			5.61
Vested		-
Forfeited		(17,950	)		9.51
Unvested as of December 31, 2021		531,477		$	5.48

Schedule of share-based compensation expense

	Year ended December 31,
	2021		2020
	(in thousands)
Research and development expenses, net	$	1,384	$	1,099
Commercial expenses		947		376
General and administrative expenses		1,902		1,893
Total share-based compensation	$	4,233	$	3,368