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Shareholders' Equity (Deficit) (Tables) | 12 Months Ended
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Dec. 31, 2020
Stockholders' Equity Note [Abstract] |
Schedule of ordinary share capital |
|  | December 31, 2020 |  |  | December 31, 2019 |
|  | Authorized |  |  | Issued and outstanding |  |  | Authorized |  |  | Issued and outstanding |
|  | Number of shares |
Ordinary shares with no par value |  |  | 47,800,000 |  |  |  | 18,494,739 |  |  |  | 22,466,000 |  |  |  | 562,748 |
Schedule of status of options to employees |
|  | Year ended December 31, 2020 |
|  | Number of options |  |  | Weighted average exercise price |  |  | Aggregate intrinsic value |  |  | Weighted average remaining contractual life (years) |
Outstanding at beginning of year |  |  | 1,217,985 |  |  | $ | 4.62 |  |  | $ | 3,411 |  |  |  | 5.04 |
Granted |  |  | 1,064,959 |  |  |  | 7.08 |  |  |  |  |  |  |  |  |
Exercised |  |  | (395 | ) |  |  | 6.80 |  |  |  | 1 |  |  |  |  |
Forfeited and cancelled |  |  | (89,157 | ) |  |  | 5.99 |  |  |  |  |  |  |  |  |
Outstanding at end of year |  |  | 2,193,392 |  |  | $ | 5.72 |  |  | $ | 9,263 |  |  |  | 6.58 |
Exercisable options |  |  | 1,306,421 |  |  | $ | 4.78 |  |  | $ | 6,686 |  |  |  | 4.63 |
Vested and expected to vest |  |  | 2,193,392 |  |  | $ | 5.72 |  |  | $ | 9,263 |  |  |  | 6.58 |
|  | Year ended December 31, 2019 |
|  | Number of options |  |  | Weighted average exercise price |  |  | Aggregate intrinsic value |  |  | Weighted average remaining contractual life (years) |
Outstanding at beginning of year |  |  | 1,234,955 |  |  | $ | 4.59 |  |  | $ | 4,608 |  |  |  | 5.96 |
Granted |  |  | 82,216 |  |  |  | 8.04 |  |  |  |  |  |  |  |  |
Exercised |  |  | (1,523 | ) |  |  | 4.54 |  |  |  | 4 |  |  |  |  |
Forfeited and cancelled |  |  | (97,663 | ) |  |  | 6.50 |  |  |  |  |  |  |  |  |
Outstanding at end of year |  |  | 1,217,985 |  |  | $ | 4.62 |  |  | $ | 3,411 |  |  |  | 5.04 |
Exercisable options |  |  | 1,108,207 |  |  | $ | 4.29 |  |  | $ | 3,406 |  |  |  | 4.66 |
Vested and expected to vest |  |  | 1,217,985 |  |  | $ | 4.62 |  |  | $ | 3,406 |  |  |  | 5.04 |
Schedule of equity-based awards recognized |
|  | Year ended December 31, |
|  | 2020 |  |  | 2019 |  |  | 2018 |
Research and development |  |  | 1,806 |  |  |  | 180 |  |  |  | 239 |
Marketing and business development |  |  | 140 |  |  |  | 90 |  |  |  | 17 |
General and administrative |  |  | 2,631 |  |  |  | 706 |  |  |  | 739 |
Total share-based compensation expense |  |  | 4,577 |  |  |  | 976 |  |  |  | 995 |
Schedule of options outstanding |
Exercise price ($) |  |  | Options outstanding as of December 31, 2020 |  |  | Weighted average exercise price ($) |  |  | Weighted average remaining contractual term |  |  | Options exercisable as of December 31, 2020 |  |  | Weighted average exercise price ($) |  |  | Weighted average remaining contractual term |
|  |  |  |  |  |  |  |  | Years |  |  |  |  |  |  |  |  | Years |
| *)0.22 |  |  |  | 249,561 |  |  |  | *)0.22 |  |  |  | 2.21 |  |  |  | 249,561 |  |  |  | *)0.22 |  |  |  | 2.21 |
| 1.75 |  |  |  | 107,904 |  |  |  | 1.75 |  |  |  | 2.21 |  |  |  | 107,904 |  |  |  | 1.75 |  |  |  | 2.21 |
| 3.59 |  |  |  | 83,503 |  |  |  | 3.59 |  |  |  | 2.33 |  |  |  | 83,503 |  |  |  | 3.59 |  |  |  | 2.33 |
| 5.07 |  |  |  | 260,296 |  |  |  | 5.07 |  |  |  | 3.36 |  |  |  | 260,296 |  |  |  | 5.07 |  |  |  | 3.36 |
| 9.23 |  |  |  | 200,229 |  |  |  | 9.23 |  |  |  | 4.88 |  |  |  | 200,229 |  |  |  | 9.23 |  |  |  | 4.88 |
| 3.10 |  |  |  | 29,947 |  |  |  | 3.10 |  |  |  | 5.42 |  |  |  | 29,947 |  |  |  | 3.10 |  |  |  | 5.42 |
| 3.93 |  |  |  | 51,385 |  |  |  | 3.93 |  |  |  | 5.98 |  |  |  | 51,385 |  |  |  | 3.93 |  |  |  | 5.98 |
| 4.10 |  |  |  | 20,914 |  |  |  | 4.10 |  |  |  | 6.19 |  |  |  | 20,914 |  |  |  | 4.10 |  |  |  | 6.19 |
| 4.18 |  |  |  | 1,195 |  |  |  | 4.18 |  |  |  | 6.40 |  |  |  | 1,195 |  |  |  | 4.18 |  |  |  | 6.40 |
| 7.70 |  |  |  | 66,326 |  |  |  | 7.70 |  |  |  | 6.84 |  |  |  | 66,326 |  |  |  | 7.70 |  |  |  | 6.84 |
| 8.42 |  |  |  | 7,589 |  |  |  | 8.42 |  |  |  | 7.78 |  |  |  | 5,461 |  |  |  | 8.42 |  |  |  | 7.77 |
| 8.65 |  |  |  | 15,035 |  |  |  | 8.65 |  |  |  | 7.62 |  |  |  | 10,940 |  |  |  | 8.65 |  |  |  | 7.53 |
| 8.02 |  |  |  | 46,069 |  |  |  | 8.02 |  |  |  | 8.30 |  |  |  | 35,004 |  |  |  | 8.02 |  |  |  | 8.32 |
| 6.80 |  |  |  | 58,731 |  |  |  | 6.80 |  |  |  | 9.11 |  |  |  | 14,858 |  |  |  | 6.80 |  |  |  | 9.11 |
| 6.62 |  |  |  | 904,608 |  |  |  | 6.62 |  |  |  | 9.45 |  |  |  | 168,898 |  |  |  | 6.62 |  |  |  | 9.44 |
| 11.04 |  |  |  | 90,100 |  |  |  | 11.04 |  |  |  | 9.86 |  |  |  | - |  |  |  | 11.04 |  |  |  | - |
|  |  |  |  | 2,193,392 |  |  |  | 5.72 |  |  |  | 6.58 |  |  |  | 1,306,421 |  |  |  | 4.78 |  |  |  | 4.63 |
Schedule of outstanding options granted |
Grant date |  | Options outstanding as of December 31, 2020 |  |  | Average Exercise price per share |  |  | Options exercisable as of December 31, 2020 |  |  | Exercisable through
March 2013 |  |  | 22,258 |  |  | $ | 1.76 |  |  |  | 22,258 |  |  | March 2023
October 2013 |  |  | 5,719 |  |  |  | 5.06 |  |  |  | 5,719 |  |  | October 2023
June 2014 |  |  | 5,617 |  |  |  | 5.06 |  |  |  | 5,617 |  |  | June 2024
September 2014 |  |  | 5,719 |  |  |  | 5.06 |  |  |  | 5,719 |  |  | September 2024
April 2016 |  |  | 5,975 |  |  |  | 3.10 |  |  |  | 5,975 |  |  | April 2026
December 2016 |  |  | 7,170 |  |  |  | 3.93 |  |  |  | 7,170 |  |  | March 2023
June 2017 |  |  | 197,722 |  |  |  | 4.10 |  |  |  | 136,594 |  |  | June 2027
August 2017 |  |  | 5,617 |  |  |  | 9.29 |  |  |  | 5,617 |  |  | August 2027
November 2017 |  |  | 17,925 |  |  |  | 7.70 |  |  |  | 17,925 |  |  | March 2027
August 2019 |  |  | 71,700 |  |  |  | 8.18 |  |  |  | 64,195 |  |  | August 2029
June 2020 |  |  | 88,430 |  |  |  | 6.62 |  |  |  | - |  |  | June 2030
|  |  | 433,852 |  |  |  |  |  |  |  | 276,789 |  |  |

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