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Stockholders' Equity (Tables) | 3 Months Ended
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Mar. 31, 2023
Stockholders' Equity Note [Abstract] |
Share-based Compensation, Stock Options, Activity | A summary of employees’ stock options activities during the three months ended March 31, 2023 is as follows:
| Three Months Ended March 31, 2023 (unaudited)
| Number |  | Weighted average exercise price |  | Aggregate intrinsic value (in thousands) |  | Weighted average remaining contractual life (years)
Options outstanding as of January 1, 2023 | 691,573 |  |  | $ | 7.533 |  |  | $ | 11,347 |  |  | 1.901
Granted | — |  |  | $ | — |  |  |  |  |
Exercised | (39,371) |  |  | $ | 6.518 |  |  |  |  |
Forfeited and expired | (2,100) |  |  | $ | 7.192 |  |  |  |  |
Options outstanding as of March 31, 2023 | 650,102 |  |  | $ | 7.596 |  |  | $ | 11,971 |  |  | 1.727
Options exercisable as of March 31, 2023 | 645,311 |  |  | $ | 7.610 |  |  | $ | 11,874 |  |  | 1.689
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range | The options outstanding as of March 31, 2023 (unaudited) have been separated into ranges of exercise price as follows:
Range of exercise price |  | Options outstanding as of March 31, 2023 |  | Weighted average remaining contractual life (years) |  | Weighted average exercise price of options outstanding |  | Options exercisable as of March 31, 2023 |  | Weighted average remaining contractual life (years) |  | Weighted average exercise price of options exercisable
$ | 4.157 |  |  | — |  | 5.682 |  | 88,384 |  |  | 3.702 |  |  | $ | 5.565 |  |  | 83,593 |  |  | 3.520 |  |  | $ | 5.558 |
$ | 6.503 |  |  | — |  | 8.077 |  | 423,016 |  |  | 1.299 |  |  | $ | 7.111 |  |  | 423,016 |  |  | 1.299 |  |  | $ | 7.111 |
|  | $9.960 |  |  |  | 120,180 |  |  | 1.896 |  |  | $ | 9.960 |  |  | 120,180 |  |  | 1.896 |  |  | $ | 9.960 |
|  | $13.287 |  |  |  | 18,522 |  |  | 0.975 |  |  | $ | 13.287 |  |  | 18,522 |  |  | 0.975 |  |  | $ | 13.287 |
|  |  |  |  |  | 650,102 |  |  | 1.727 |  |  | $ | 7.596 |  |  | 645,311 |  |  | 1.689 |  |  | $ | 7.610 |
Schedule of Stockholders' Equity Note, Warrants or Rights | The Company’s outstanding options granted to consultants for services as of March 31, 2023 (unaudited) were as follows:
| Number of options outstanding and exercisable as of March 31, 2023 |  | Range of exercise price per share |  | Exercisable through
August 2013 - February 2016 | 22,650 |  |  | $ | 5.623 |  |  | — |  | $ | 13.287 |  |  | August 2023 - February 2026
Schedule of Share-based Payment Arrangement, Restricted Stock Unit and Performance Stock Unit Activity | A summary of RSUs and PSUs for employees, consultants and non-employee directors of the Company for the three months ended March 31, 2023 (unaudited) is as follows:
| Number of shares underlying outstanding RSUs and PSUs |  | Weighted- average grant date fair value
Unvested balance - January 1, 2023 | 8,340,732 |  |  | $ | 41.82 |
Granted | 3,476,735 |  |  | $ | 28.49 |
Vested | (2,547,676) |  |  | $ | 38.44 |
Forfeited | (380,627) |  |  | $ | 42.25 |
Unvested balance – March 31, 2023 | 8,889,164 |  |  | $ | 37.59 |
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs | The Company recognized stock-based compensation expense in the consolidated statements of operations as follows (in thousands):
| Three Months Ended March 31, |  |
| 2023 |  | 2022 |  |  |  |
| (unaudited) |  |
Cost of revenues | $ | 2,500 |  |  | $ | 3,087 |  |  |  |  |
Research and development | 12,523 |  |  | 12,600 |  |  |  |  |
Sales and marketing | 12,762 |  |  | 13,096 |  |  |  |  |
General and administrative | 8,026 |  |  | 7,215 |  |  |  |  |
Total | $ | 35,811 |  |  | $ | 35,998 |  |  |  |  |

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- Definition Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement. + 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 https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + 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 -URI https://asc.fasb.org/extlink&oid=128089324&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 https://asc.fasb.org/extlink&oid=128089324&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 https://asc.fasb.org/extlink&oid=128089324&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 https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of warrants or rights issued. Warrants and rights outstanding are derivative securities that give the holder the right to purchase securities (usually equity) from the issuer at a specific price within a certain time frame. Warrants are often included in a new debt issue to entice investors by a higher return potential. The main difference between warrants and call options is that warrants are issued and guaranteed by the company, whereas options are exchange instruments and are not issued by the company. Also, the lifetime of a warrant is often measured in years, while the lifetime of a typical option is measured in months. Disclose the title of issue of securities called for by warrants and rights outstanding, the aggregate amount of securities called for by warrants and rights outstanding, the date from which the warrants or rights are exercisable, and the price at which the warrant or right is exercisable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5047-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -Section S99 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6784392&loc=d3e188667-122775 + Details
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