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Stock-Based Compensation (Tables) | 3 Months Ended
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Mar. 31, 2021
Share-based Payment Arrangement [Abstract] |
Schedule of Stock Grants Outstanding | The following table summarizes the stock grants outstanding under the 2017 ECP and the 2010 Equity Compensation Plan (“2010 ECP”), which expired on its terms in April 2020, for the three months ended March 31, 2021:
| Options Outstanding |  | RSUs Outstanding |  | Options and RSUs Exercised |  | Available Shares |  | Total
2017 ECP | — |  |  | 4,376,667 |  |  | 2,367,472 |  |  | 2,655,861 |  |  | 9,400,000 |
2010 ECP (*) | 1,500 |  |  | — |  |  | 5,011,511 |  |  | — |  |  | 5,013,011 |
Total | 1,500 |  |  | 4,376,667 |  |  | 7,378,983 |  |  | 2,655,861 |  |  | 14,413,011 |
(*) Expired April 2020
Schedule of Stock Option Award Activity | The following table summarizes the activity of stock option awards under the 2010 ECP for the three months ended March 31, 2021:
| Shares Subject to Options Outstanding |
| Number of Shares |  | Weighted Average Exercise Price |  |
Balance as of December 31, 2020 | 9,500 |  |  | $ | 0.56 |  |  |
Stock options exercised | 4,750 |  |  | $ | 0.56 |  |  |
Stock options canceled | 3,250 |  |  | $ | 0.56 |  |  |
Balance as of March 31, 2021 | 1,500 |  |  | 0.56 |  |  |
Stock options exercisable as of March 31, 2021 | 1,500 |  |  | 0.56 |  |  |
Schedule of Nonvested Restricted Stock Units Activity | The following table summarizes the activities for our unvested RSUs for the three months ended March 31, 2021:
| Unvested RSUs
| Number of Shares |  | Weighted Average Grant Date Fair Value
Unvested as of December 31, 2020 | 1,930,526 |  |  | $ | 0.28 |
Granted | 4,310,000 |  |  | $ | 1.40 |
Vested | 1,804,665 |  |  | $ | 0.28 |
Forfeited | 59,194 |  |  | $ | 0.29 |
Unvested as of March 31, 2021 | 4,376,667 |  |  | $ | 1.38 |

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- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock units. + 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)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of activity for award under share-based payment arrangement. Includes, but is not limited to, outstanding award at beginning and end of year, granted, exercised, forfeited, 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 (e) -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 (c)(2) -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 (d) -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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