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Stock-based compensation (Tables) | 6 Months Ended
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Jun. 30, 2023
Share-Based Payment Arrangement [Abstract] |
Summary of Service Vesting-Based Stock Option Activity | The following is a summary of service vesting-based stock option activity for the June 30, 2023, and the status of service vesting-based stock options outstanding as of June 30, 2023:
| Six Months Ended June 30, 2023
| Options |  | Wtd. Avg. Exercise Price
Outstanding as of beginning of year | 456,293 |  | $ | 2.17 |
Exercised | (144,043) |  | 2.13 |
Outstanding as of June 30, 2023 | 312,250 |  | $ | 2.18 |
Stock options exercisable as of June 30, 2023 | 312,250 |  | $ | 2.18 |
Summary of Service Vesting-Based and Market Based Restricted Stock Activity | The following is a summary of service vesting-based restricted stock activity for the three and six months ended June 30, 2023, and the status of unvested service vesting-based restricted stock outstanding as of June 30, 2023:
| Six Months Ended June 30, 2023
| Shares |  | Wtd. Avg. Grant Date Fair Value
Outstanding as of beginning of year | 1,879,215 |  | $ | 28.94 |
Granted | 509,629 |  | 18.13 |
Vested | (534,411) |  | 26.42 |
Forfeited | (115,038) |  | 28.73 |
Non-vested as of June 30, 2023 | 1,739,395 |  | $ | 26.56 |
The following is a summary of market-based restricted stock activity under our stock option plan for the three and six months ended June 30, 2023 and the status of market-based restricted stock outstanding as of June 30, 2023:
| Six Months Ended June 30, 2023
| Shares |  | Wtd. Avg. Grant
Outstanding as of beginning of year | 271,044 |  | $ | 30.64 |
Granted | 268,738 |  | 24.23 |
Vested | (30,616) |  | 51.65 |
Non-vested as of June 30, 2023 | 509,166 |  | $ | 26.00 |
Summary of Stock Compensation Expense | We recorded total stock compensation expense for the three and six months ended June 30, 2023 and 2022, as follows:
| Three Months Ended June 30, |  | Six Months Ended June 30,
(In thousands) | 2023 |  | 2022 |  | 2023 |  | 2022
Cost of revenue | $ | 1,212 |  |  | $ | 802 |  |  | $ | 2,844 |  |  | $ | 1,809 |
General and administrative costs | 3,555 |  |  | 3,719 |  |  | 6,848 |  |  | 6,729 |
Sales and marketing costs | 1,082 |  |  | 738 |  |  | 2,338 |  |  | 1,443 |
Research and development costs | 1,007 |  |  | 714 |  |  | 2,190 |  |  | 1,391 |
Total | $ | 6,856 |  |  | $ | 5,973 |  |  | $ | 14,220 |  |  | $ | 11,372 |

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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 -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + 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 -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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