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SHARE CAPITAL (Tables) | 12 Months Ended
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Dec. 31, 2019
SHARE CAPITAL |
Schedule of Options and Restricted Stocks Granted | a) Below is a table summarizing all of the options grants to employees during the year ended December 31, 2019:
|  |  |  |  |  |  | Fair value |  |
|  |  |  |  |  |  | at grant |  |
|  |  |  |  |  |  | (U.S. |  |
No. of options |  | Exercise |  |  |  | dollars in |  | Expiration
granted |  | price |  | Vesting period |  | thousands) |  | period
160,000 |  | $ | 4.69 |  | 4 years |  | $ | 449 |  | 10 years
80,000 |  | $ | 2.00 |  | 4 years |  | $ | 97 |  | 10 years
Summary of Stock Option Activity - Options Granted to Employees | a) Options granted to employees:
|  | Year ended December 31,
|  | 2017 |  | 2018 |  | 2019
|  |  |  | 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 |  | 488,421 |  | $ | 36.17 |  | 472,962 |  | $ | 36.04 |  | 1,000,068 |  | $ | 15.47
Changes during the year: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Granted |  |  |  |  |  |  | 636,000 |  |  | 5.41 |  | 240,000 |  |  | 3.79
Forfeited and Expired |  | 15,459 |  |  | 40.04 |  | 108,894 |  |  | 46.04 |  | 199,871 |  |  | 14.14
Outstanding at end of year |  | 472,962 |  | $ | 36.04 |  | 1,000,068 |  | $ | 15.47 |  | 1,040,197 |  | $ | 13.03
Exercisable at end of year |  | 445,746 |  | $ | 36.96 |  | 394,486 |  | $ | 30.65 |  | 532,322 |  | $ | 21.04
Schedule of Options Granted to other Service Providers | b) Options and restricted stocks granted to consultants, directors, and other service providers:
|  | Year ended December 31,
|  | 2017 |  | 2018 |  | 2019
|  | Number |  |  |  |  | Number |  |  |  |  | Number |  |  |
|  | of |  | Weighted |  | of |  | Weighted |  | of |  | Weighted
|  | Options/ |  | average |  | options/ |  | average |  | options/ |  | average
|  | restricted |  | exercise |  | restricted |  | exercise |  | restricted |  | exercise
|  | stock |  | price |  | stock |  | Price |  | stock |  | price
Outstanding at beginning of year |  | 20,800 |  | $ | 31.56 |  | 20,000 |  | $ | 32.82 |  | 15,000 |  | $ | 33.70
Changes during the year: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Expired |  | 800 |  |  | 0.001 |  | 5,000 |  |  | 30.20 |  |  |  |  |
Outstanding at end of year |  | 20,000 |  |  | 32.82 |  | 15,000 |  |  | 33.70 |  | 15,000 |  |  | 33.70
Exercisable at end of year |  | 20,000 |  | $ | 32.82 |  | 15,000 |  | $ | 33.70 |  | 15,000 |  | $ | 33.70
Schedule of Information about Share Options Outstanding and exercisable | c) The following tables summarize information concerning outstanding and exercisable options and restricted stock as of December 31, 2019:
December 31, 2019
| 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 |  | 9.73 |  | 5,000 |  | 9.73
$ | 4.69 |  | 160,000 |  | 9.50 |  | 20,000 |  | 9.50
$ | 5.10 |  | 228,062 |  | 8.65 |  | 72,687 |  | 8.54
$ | 5.60 |  | 258,126 |  | 7.09 |  | 120,626 |  | 5.24
$ | 17.20 |  | 149,209 |  | 4.39 |  | 149,209 |  | 4.39
$ | 23.70 |  | 90,000 |  | 1.84 |  | 90,000 |  | 1.84
$ | 33.70 |  | 15,000 |  | 0.62 |  | 15,000 |  | 0.62
$ | 69.00 |  | 68,000 |  | 0.15 |  | 68,000 |  | 0.15
$ | 96.60 |  | 6,800 |  | 0.83 |  | 6,800 |  | 0.83
|  |  | 1,055,197 |  |  |  | 547,322 |  |
Schedule of Stock-Based Compensation Expense in Statement of Operations | d) The following table illustrates the effect of share-based compensation on the statement of operations:
|  | Year ended December 31,
(U.S. dollars in thousands) |  | 2017 |  | 2018 |  | 2019
Research and development expenses |  | $ | 182 |  | $ | 310 |  | $ | 513
Selling, general and administrative expenses |  |  | 155 |  |  | 204 |  |  | 322
|  | $ | 337 |  | $ | 514 |  | $ | 835

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