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SHARE CAPITAL (Tables) | 12 Months Ended
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Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Schedule of Effect of Share-based Compensation Statements of Operations |
The following table illustrates the effect of share-based compensation on the statements of operations:
|  | Year ended December 31 |
|  | 2018 |  |  | 2019 |  |  | 2020 |
Research and development expenses |  | $ | 2,708 |  |  | $ | 1,028 |  |  | $ | 431 |
General and administrative expenses |  | $ | 1,946 |  |  | $ | 1,524 |  |  | $ | 786 |
|  | $ | 4,654 |  |  | $ | 2,552 |  |  | $ | 1,217 |
Employees [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Schedule of Assumptions Used to Estimate Fair Value | The fair value of options granted to employees and directors in 2018 and 2019 were $878 and $485 respectively. The underlying data used for computing the fair value of the options are as follows:
| 2018 |  | 2019 |
Value of one ordinary share | $6.24-$10.40 |  | $6.08-$8.59 |
Dividend yield | 0% |  | 0% |
Expected volatility | 70.43 %-73.35% |  | 74.87%-77.83 % |
Risk-free interest rate | 2.67%-2.83% |  | 1.82%-2.75% |
Expected term | 5.50-7 years |  | 6.11 years |
Schedule of Stock Option Activity | The following table summarizes the number of options granted to employees under the Plan for the years ended December 31, 2019 and 2020, and related information:
|  | Year ended December 31 |
|  | 2019 |  |  | 2020 |
|  | Number of options |  |  | Weighted average exercise price |  |  | Weighted average remaining contractual life |  |  | Number of options |  |  | Weighted average exercise price |  |  | Weighted average remaining contractual life |
Options outstanding at the beginning of the year |  |  | 938,090 |  |  | $ | 4.47 |  |  |  | 7.89 |  |  |  | 1,031,591 |  |  | $ | 4.74 |  |  |  | 7.25 |
Granted |  |  | 95,300 |  |  | $ | 6.24 |  |  |  | 9.17 |  |  |  | - |  |  |  | - |  |  |  | - |
Exercised |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (28,447 | ) |  | $ | 5.27 |  |  |  | - |
Expired |  |  | (563 | ) |  | $ | 5.57 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Forfeited |  |  | (1,238 | ) |  | $ | 5.57 |  |  |  | - |  |  |  | (2,250 | ) |  | $ | 7.77 |  |  |  | - |
Options outstanding at the end of the year |  |  | 1,031,591 |  |  | $ | 4.74 |  |  |  | 7.25 |  |  |  | 1,000,894 |  |  | $ | 4.63 |  |  |  | 6.05 |
Options exercisable at the end of the year |  |  | 683,979 |  |  | $ | 3.60 |  |  |  | 6.56 |  |  |  | 900,687 |  |  | $ | 4.08 |  |  |  | 5.67 |
Non Employees Member [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Schedule of Assumptions Used to Estimate Fair Value | The fair value of options granted to non-employees in 2018 was $648. The underlying data used for computing the fair value of the options are as follows:
|  | 2018 |
Value of one ordinary share |  | $ 10.40 |
Dividend yield |  | 0% |
Expected volatility |  | 79.07% |
Risk-free interest rate |  | 2.86% |
Expected term |  | 10 years |
Schedule of Stock Option Activity | The following table summarizes the number of options granted to non-employees under the Plan for the year ended December 31, 2019 and 2020, and related information:
|  | Year ended December 31 |
|  | 2019 |  |  | 2020 |
|  | Number of options |  |  | Weighted average exercise price |  |  | Weighted average remaining contractual life |  |  | Number of options |  |  | Weighted average exercise price |  |  | Weighted average remaining contractual life |
Options outstanding at the beginning of the year |  |  | 198,575 |  |  | $ | 7.48 |  |  |  | 8.81 |  |  |  | 198,575 |  |  | $ | 7.48 |  |  |  | 7.84 |
Granted |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Options outstanding at the end of the year |  |  | 198,575 |  |  | $ | 7.48 |  |  |  | 7.84 |  |  |  | 198,575 |  |  | $ | 7.70 |  |  |  | 6.84 |
Options exercisable at the end of the year |  |  | 96,588 |  |  | $ | 6.97 |  |  |  | 7.78 |  |  |  | 137,771 |  |  |  | 7.34 |  |  |  | 6.8 |

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- Definition Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901 + Details
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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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