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SHARE CAPITAL (Tables)
12 Months Ended
Dec. 31, 2023
SHARE CAPITAL  
Summary of Stock Option Activity

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Year ended December 31, 2023

​

    

​

    

Weighted

​

​

Number

​

average

​

​

of

​

exercise

​

​

options

​

price

Outstanding at beginning of year

 

5,519,315

​

$

2.28

Changes during the year:

 

  

​

 

  

Granted

 

1,700,410

​

 

1.84

Forfeited and expired

 

254,124

​

 

3.81

Outstanding at end of year

 

6,965,601

​

$

2.13

Exercisable at end of year

 

2,900,503

​

$

3.10

Summary of Restricted Stock Activity

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Year Ended December 31, 2023

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​

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Number of Restricted Stock

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Outstanding at beginning of year

​

291,474

​

Changes during the year:

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​

​

Granted

​

1,371,362

​

Vested

​

489,166

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Non vested at end of year

​

1,173,670

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Summary of Share Options Outstanding and Exercisable

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December 31, 2023

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​

Options outstanding

​

Options exercisable

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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

​

5,235,410

​

8.92

​

1,312,736

​

8.42

$3.55-$3.73

​

1,213,341

​

5.39

​

1,070,917

​

5.24

$4.69-$5.60

 

441,500

 

5.71

 

441,500

 

4.93

$17.20

 

75,350

 

1.19

 

75,350

 

1.19

​

 

6,965,601

​

​

 

2,900,503

​

​

Schedule of Stock Option Valuation Assumptions

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Year Ended December 31, 

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​

​

2021

​

2022

​

2023

​

Weighted average grants date fair value (USD)

​

1.57

​

1.03

​

1.84

​

Exercise price (USD)

​

1.57

​

1.03

 

1.84

​

Risk free rate

​

0.88

%

3.32

%

4.44

%

Volatility

​

84.30

%

85.94

%

79.41

%

Dividend yield

​

0

%

0

%

0

%

Expected life (Years)

​

6

​

6

 

5.75

​

Schedule of Stock-Based Compensation Expense in Statement of Operations

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Year ended December 31, 

(U.S. dollars in thousands)

    

2021

    

2022

    

2023

Cost of goods sold

​

$

269

​

$

135

​

$

596

Research and development expenses

​

​

648

​

​

518

​

​

777

Selling, general and administrative expenses

​

 

1,458

​

 

1,432

​

 

2,075

​

​

$

2,375

​

$

2,085

​

$

3,448