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Stock-Based Compensation Expense (Tables) | 12 Months Ended
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Dec. 31, 2021
Share-Based Payment Arrangement [Abstract] |
Schedule of stock option |
|  | Shares |  |  | Weighted- average exercise price |  |  | Weighted- average remaining contractual term (years) |  |  | Aggregate intrinsic value |
Outstanding as of December 31, 2020 |  |  | 6,971,301 |  |  | $ | 0.20 |  |  |  | 7.0 |  |  | $ | 1,399,827 |
Vested and expected to vest at December 31, 2020 |  |  | 10,892,738 |  |  | $ | 0.54 |  |  |  | 7.0 |  |  | $ | 5,860,120 |
Vested and exercisable at December 31, 2020 |  |  | 5,978,428 |  |  | $ | 0.20 |  |  |  | 7.03 |  |  | $ | 406,094 |
Granted |  |  | 2,926,473 |  |  |  | 3.20 |  |  |  |  |  |  |  |  |
Exercised |  |  | (41,416 | ) |  |  | 0.23 |  |  |  |  |  |  |  | 109,902 |
Cancelled/forfeited |  |  | (1,086,664 | ) |  | $ | 0.20 |  |  |  |  |  |  |  |  |
Outstanding as of December 31, 2021 |  |  | 8,769,694 |  |  | $ | 1.20 |  |  |  | 7.15 |  |  | $ | 15,746,916 |
Vested and expected to vest at December 31, 2021 |  |  | 8,769,694 |  |  | $ | 1.20 |  |  |  | 7.15 |  |  | $ | 15,746,916 |
Vested and exercisable at December 31, 2021 |  |  | 5,645,763 |  |  | $ | 0.27 |  |  |  | 5.94 |  |  | $ | 14,967,973 |
Schedule of weighted average fair value of each grant estimated on grant date |
|  | December 31, 2021 |  |  | December 31, 2020 |
Fair value of common stock |  | $ | 2.78 |  |  | $ | 0.23 |
Expected term (in years) |  |  | 6.15 |  |  |  | 6.00 |
Risk-free rate |  |  | 0.95 | % |  |  | 0.68 | %
Expected volatility |  |  | 51.0 | % |  |  | 29.34 | %
Dividend yield |  |  | 0 | % |  |  | 0 | %

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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for stock options and stock appreciation rights that were outstanding at the beginning and end of the year, exercisable at the end of the year, and the number of stock options and stock appreciation rights that were granted, exercised or converted, forfeited, and expired during the year. + 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 (c)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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