SHARE CAPITAL (Tables)

12 Months Ended

Dec. 31, 2022

SHARE CAPITAL

Summary of Stock Option Activity

a) Options granted to employees and directors:

	Year Ended December 31, 2022
		Weighted
	Number	average
	of	exercise
	options	price
Outstanding at beginning of year	2,259,020	$	4.42
Changes during the year:
Granted	3,480,000		1.03
Forfeited and expired	219,705		4.62
Outstanding at end of year	5,519,315	$	2.28
Exercisable at end of year	1,731,434	$	4.25

Summary of Restricted Stock Activity

	Year Ended December 31, 2022
	Number of Restricted Stock
Outstanding at beginning of year	458,027
Changes during the year:
Granted	759,482
Vested	926,035
Non vested at end of year	291,474

Summary of Share Options Outstanding and Exercisable

	December 31, 2022
	Options outstanding		Options exercisable
	Number of	Weighted		Weighted
	options	average		average
	outstanding	remaining	Number of	remaining
Exercise	at end of	contractual	options	contractual
prices	year	life	exercisable	life
$1.03-$2.00	3,610,000	9.60	300,625	8.99
$3.55-$3.73	1,361,965	6.78	903,459	6.48
$4.69-$5.60	466,000	5.71	446,000	5.67
$17.20	81,350	2.10	81,350	2.10
	5,519,315		1,731,434

Schedule of Stock Option Valuation Assumptions

	Year Ended December 31,
	2020		2021		2022
Stock price (USD)	3.64		1.57		1.03
Exercise price (USD)	3.64		1.57		1.03
Risk free rate	0.74	%	0.88	%	3.32	%
Volatility	79.50	%	84.30	%	85.94	%
Dividend yield	0	%	0	%	0	%
Expected life (Years)	6		6		6

Schedule of Stock-Based Compensation Expense in Statement of Operations

	Year Ended December 31,
(U.S. dollars in thousands)	2020		2021		2022
Cost of goods sold			$	269	$	135
Research and development expenses	$	1,036		648		518
Selling, general and administrative expenses		2,090		1,458		1,432
	$	3,126	$	2,375	$	2,085