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Common Stock (Tables) | 12 Months Ended
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Dec. 31, 2021
Equity [Abstract] |
Schedule of Assumptions for Fair Value of Options at the Date of the Grant | Issuance date fair value of the Warrant was determined to be $14.3 million based on using the Black-Scholes model with the following assumptions:
Expected term | 5.0 years
Risk free interest rate | 0.85 | %
Expected volatility | 53.78 | %
Expected dividend yield | None
Fair value (per warrant) | $ | 28.65 |
The fair value of options at the date of the grant was estimated using the Black-Scholes model with the following assumptions for the respective period ending December 31:
| 2021 |  | 2020 |  | 2019
Expected option life | 3.1 years |  | 4.4 years |  | 3.0 years
Weighted average risk-free interest rate | 0.4 | % |  | 0.4 | % |  | 2.0 | %
Weighted average expected volatility | 56.5 | % |  | 47.6 | % |  | 35.0 | %
Expected dividend yield | None |  | None |  | None

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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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