SHARE CAPITAL (Tables)

12 Months Ended

Dec. 31, 2020

SHARE CAPITAL

Schedule of Options and Restricted Stocks Granted

	No. of options or				Fair value
	restricted stock	Exercise		Vesting	at grant (U.S. dollars		Expiration
Year of grant	granted	price		period	in thousands)		period
2018	400,000	$	5.60	4 years	$	1,196	10 years
2018	236,000	$	5.10	4 years	$	729	10 years
2019	160,000	$	4.69	4 years	$	449	10 years
2019	80,000	$	2.00	4 years	$	97	10 years
2020	196,995	$	3.59	4 years	$	482	10 years
2020	760,311	$	3.66	4 years	$	1,893	10 years
2020	129,771	$	3.73	4 years	$	329	10 years
2020	694,073	$	n/a	4 years	$	2,492	10 years
2020	122,656	$	3.59	4 years	$	299	10 years

Summary of Stock Option Activity - Options Granted to Employees

	Year Ended December 31,
	2018			2019			2020
		Weighted			Weighted			Weighted
	Number	average		Number	average		Number	average
	of	exercise		of	exercise		of	exercise
	options	price		options	price		options	price
Outstanding at beginning of year	472,962	$	36.04	1,000,068	$	15.47	1,040,197	$	13.03
Changes during the year:
Granted	636,000		5.41	240,000		3.79	1,209,733		3.65
Forfeited and Expired	108,894		46.04	199,871		14.14	162,655		37.92
Outstanding at end of year	1,000,068	$	15.47	1,040,197	$	13.03	2,087,275	$	5.66
Exercisable at end of year	394,486	$	30.65	532,322	$	21.04	702,889	$	9.24

Summary of Restricted Stock Granted to Employees

	Year Ended December 31, 2020
	Number of Restricted Stock
Outstanding at beginning of year	-
Changes during the year:
Granted	694,073
Vested	69,493
Non vested at end of year	624,580

Schedule of Options Granted to other Service Providers

	Year Ended December 31,
	2018			2019			2020
		Weighted			Weighted			Weighted
	Number	average		Number	average		Number	average
	of	exercise		of	exercise		of	exercise
	options	price		options	price		options	price
Outstanding at beginning of year	20,000	$	32.82	15,000	$	33.70	15,000	$	33.70
Changes during the year:
Granted							464,375		3.74
Expired	5,000		30.20				15,000		33.70
Outstanding at end of year	15,000		33.70	15,000		33.70	464,375		3.74
Exercisable at end of year	15,000	$	33.70	15,000	$	33.70	106,875	$	4.08

Schedule of warrants issued to shareholders

	Year Ended December 31, 2020
	Number of
	warrants		Exercise price
Outstanding at beginning of year	-
Changes during the year:
Granted	17,604,423	$	2.36
Exercised	200,000	$	2.36
Outstanding at end of year	17,404,423	$	2.36

Schedule of Information about Share Options Outstanding and exercisable

	December 31, 2020
	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
$2.00	80,000	8.73	25,000	8.73
$3.55	200,000	9.06	37,500	9.06
$3.59	319,651	9.51	32,290	9.48
$3.66	760,311	9.47	95,039	9.47
$3.70	240,000	9.10	45,000	9.10
$3.73	129,771	9.52	8,111	9.52
$4.69	160,000	8.50	60,000	8.50
$5.10	225,342	7.68	127,124	7.66
$5.60	225,625	4.74	168,750	3.74
$17.20	120,950	3.34	120,950	3.34
$23.70	90,000	0.83	90,000	0.83
	2,551,650		809,764

Schedule of Stock-Based Compensation Expense in Statement of Operations

	Year Ended December 31,
(U.S. dollars in thousands)	2018		2019		2020
Research and development expenses	$	310	$	513	$	1,036
Selling, general and administrative expenses		204		322		2,090
	$	514	$	835	$	3,126