Share Options (Tables)

12 Months Ended

Dec. 31, 2022

Share Options [Abstract]

Schedule of company’s share option activity for employees and members of the board of directors

	Number of Share Options		Weighted Average Exercise Price $	Weighted average remaining contractual life (years)	Intrinsic value $
Outstanding as of December 31, 2019	1,291,810		1.65	5.94	194
Granted	353,960		1.80	9.35
Exercised	(9,800	)	1.15	—
Forfeited or expired	(381,970	)	1.75	—
Outstanding as of December 31, 2020	1,254,000		1.70	6.12	125
Exercisable as of December 31, 2020	839,665		1.50	4.73	252

	Number of Share Options		Weighted Average Exercise Price $	Weighted average remaining contractual life (years)	Intrinsic value $
Outstanding as of December 31, 2020	1,254,000		1.70	6.12	125
Granted	214,688		2.05	9.64
Forfeited or expired	(101,520	)	1.80	—
Outstanding as of December 31, 2021	1,367,168		1.75	5.72	4,860
Exercisable as of December 31, 2021	927,988		1.60	4.25	3,429

	Number of Share Options		Weighted Average Exercise Price $	Weighted average remaining contractual life (years)	Intrinsic value $
Outstanding as of December 31, 2021	1,367,168		1.75	5.72	4,860
Granted	286,875		1.83
Forfeited or expired	(83,052	)	1.45	—
Outstanding as of December 31, 2022	1,570,991		1.78	4.97	2,435
Exercisable as of December 31, 2022	1,048,297		1.70	3.2	1,677

Schedule of outstanding and exercisable share options separated ranges of exercise prices

Exercise price	Share options outstanding as of December 31, 2022	Weighted average remaining contractual term (years)	Share options exercisable as of December 31, 2022	Weighted average remaining contractual term (years)
$		$		$
0.00	152,640	2.42	152,640	1.03
1.14	228,480	1.39	228,480	1.39
1.67	43,200	2.21	43,200	2.21
1.83	982,870	6.75	489,239	4.70
3.2	35,001	6.45	10,938	6.45
3.79	60,000	1.59	60,000	1.59
4.17	28,800	3.03	28,800	3.03
5.12	40,000	6.54	35,000	6.54
	1,570,991		1,048,297

Schedule of assumptions used to estimate the fair values of the share options granted

	Year ended December 31
	2022	2021	2020
Volatility (%)	61.49%	64.75%	61.89% – 61.91%
Risk-free interest rate (%)	3.64% – 3.85%	0.09%	0.03% – 0.04%
Dividend yield (%)	—	—	—
Expected life (years)	6.25	6.25	6.25
Exercise price ($)	1.83	1.80 – 3.20	1.80
Share price ($)	3.30	3.20	1.80

Schedule of company’s equity-based awards recognized

	Year ended December 31
	2022		2021		2020
Research and development	$	144	$	94	$	60
Sales and marketing		49		45		48
General and administrative		29		18		12
	$	222	$	157	$	120