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Share-Based Payments (Tables) | 12 Months Ended
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Dec. 31, 2020
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] |
Schedule of Stock Option Activity | The following table summarizes the stock option activity under the 2016 Stock Plan and the 2020 Stock Plan for the year ended December 31, 2020:
|  | Number of Stock Options |  |  | Weighted- Average Exercise Price |  |  | Weighted- Average Remaining Term (years) |  |  | Aggregate Intrinsic Value |
Outstanding at December 31, 2019 |  |  | 5,306,176 |  |  | $ | 4.62 |  |  |  | 8.99 |  |  | $ | 3,214 |
Granted |  |  | 2,898,663 |  |  |  | 10.90 |  |  |  |  |  |  |  |  |
Exercised |  |  | (297,000 | ) |  |  | 4.09 |  |  |  |  |  |  |  |  |
Cancelled |  |  | (210,781 | ) |  |  | 4.91 |  |  |  |  |  |  |  |  |
Outstanding at December 31, 2020 |  |  | 7,697,058 |  |  | $ | 6.99 |  |  |  | 8.50 |  |  | $ | 266,050 |
Vested at December 31, 2020 |  |  | 2,148,119 |  |  | $ | 4.49 |  |  |  | 7.90 |  |  | $ | 79,625 |
Non-vested at December 31, 2020 |  |  | 5,548,939 |  |  | $ | 7.96 |  |  |  | 8.74 |  |  | $ | 186,425 |
Schedule of Estimated Fair Value of Stock Options | The Company estimated the fair value of its stock options using the following assumptions:
|  | Year Ended December 31, |
|  | 2020 |  |  | 2019 |
Risk-free interest rate |  | 0.4 - 1.8% |  |  | 1.5 – 2.5% |
Expected term (in years) |  |  | 6.3 |  |  |  | 6.3 |
Expected volatility |  | 73.5 - 77.6% |  |  | 72.8 – 73.47% |
Expected dividend yield |  |  | 0 | % |  |  | 0 | %
Schedule of Stock-Based Compensation Expense Included In The Company's Consolidated Statements of Operations And Comprehensive Loss | Stock-based compensation expense included in the Company’s consolidated statements of operations and comprehensive loss is as follows:
|  | Year Ended December 31, |
|  | 2020 |  |  | 2019 |
Research and development expenses |  | $ | 14,691 |  |  | $ | 2,687 |
General and administrative expenses |  |  | 17,269 |  |  |  | 1,769 |
|  | $ | 31,960 |  |  | $ | 4,456 |

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- Definition Tabular disclosure of cost recognized for award under share-based payment arrangement by plan. Includes, but is not limited to, related tax benefit. + 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 + 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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