Share-based Payment Arrangements (Tables)

12 Months Ended

Dec. 31, 2021

Disclosure of share-based payment arrangements [text block] [Abstract]

Summary of number and weighted average exercise prices (in USD) of share options

	Weighted average exercise price						Number of options
	2021		2020		2019		2021			2020			2019
Outstanding on January 1		1.02		1.71		2.6		6,994,377			4,754,676			1,131,781
Expired and forfeited during the year		1.52		0.23		-		(413,074	)		(1,486,125	)		-
Granted during the year		0.47		0.43		1.32		1,170,000			3,725,826			3,622,895
Outstanding on December 31		0.97		1.02		1.71		7,751,303			6,994,377			4,754,676
Exercisable on December 31		1.48		1.54		3.21		4,451,430			1,753,632			1,093,029

Summary of number of RSUs

	Number of RSUs
	2021		2020
Outstanding at January 1		3,390,000		11,509
Granted during the year		1,020,000		3,601,972
Forfeited during the year		166,250		157,500
Vested during the year		1,633,750		65,981
Outstanding at December 31		2,610,000		3,390,000

Summary of options to service providers were measured at the fair value of the service

	2021		2020		2019
Share Price - USD	0.380 - 0.517		0.32-0.898		0.746-1.22
Exercise price - USD	0.470-0.492		0.346-0.432		0.792-6
Expected volatility (%)	95.07-96.1		95.68-107		99.22-113.78
Expected duration (years)	2-5		4-7		4.61-7
Dividend yield (%)	-		-		-
Risk free rate interest rate (%)	0.87%-1.166	%	0.298%-0.5	%	1.63%-1.95	%

Summary of share based expenses recognized

	For the year ended December 31
	2021		2020		2019
	USD thousands
Research and development expenses		557		756		238
General and administrative expenses		1,525		1,889		1,035
Total share-based expense recognized		2,082		2,645		1,273