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Forfeiture Shares (Tables) | 12 Months Ended
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Dec. 31, 2021
Schedule of Fair Value of Forfeited Shares | The following assumptions were used for options granted during the year in order to estimate the fair value of stock-based compensation awards:
|  | 2021 |  |  | 2020 |
Expected term |  |  | 6-10 |  |  |  | 6-10 |
Expected volatility |  |  | 46.71%-50.7% |  |  |  | 48.15 | %
Expected dividend rate |  |  | 0 | % |  |  | 0 | %
Risk-free rate |  |  | 0.61%-1.74 | % |  |  | 0.42%-1.69 | %
Schedule of Changes in Fair Value of Forfeited Shares |
| b. | The table below sets forth a summary of the changes in the fair value of the warrants liability classified as Level 3:
|  | 2021 |  |  | 2020 |  |  | 2019 |
|  | U.S. dollars in thousands |
Balance at beginning of year |  |  | 568 |  |  |  | 459 |  |  |  | 459 |
Exercise of warrants |  |  | (568 | ) |  |  | — |  |  |  | — |
Changes in fair value |  |  | — |  |  |  | 109 |  |  |  | — |
Balance at end of year |  |  | — |  |  |  | 568 |  |  |  | 459 |
Forfeited Ordinary Shares [Member] |
Schedule of Fair Value of Forfeited Shares | The fair value of the Forfeiture Shares was computed using the following key assumptions:
|  | December 31, 2021 |
Stock price |  |  | 7.7 |
Expected term (years) |  |  | 2.75-3.75 |
Expected volatility |  |  | 48.77%-48.92 | %
Risk-free interest rate |  |  | 0.91%-1.08 | %
Schedule of Changes in Fair Value of Forfeited Shares |
| b. | The table below sets forth a summary of the changes in the fair value of the Forfeiture Shares classified as Level 3:
|  | 2021 |  |  | 2020 |
|  | U.S. dollars in thousands |
Balance at beginning of year |  |  | — |  |  |  | — |
Issuance of Forfeiture Shares |  |  | 4,485 |  |  |  | — |
Changes in fair value |  |  | 173 |  |  |  | — |
Balance at end of year |  |  | 4,658 |  |  |  | — |

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- Definition Tabular disclosure of the fair value measurement of liabilities using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), and gains or losses recognized in other comprehensive income (loss) and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs) by class of liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19279-110258 + 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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