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STOCKHOLDERS’ EQUITY (Tables) | 6 Months Ended
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Jul. 01, 2022
Equity [Abstract] |
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs | The following table sets forth the detailed allocation of the share-based compensation expense which was included in the Company’s Condensed Consolidated Statements of Operations:
| Three Months Ended |  | Six Months Ended
(in thousands) | July 1, 2022 |  | July 2, 2021 |  | July 1, 2022 |  | July 2, 2021
Cost of revenue | $ | 604 |  |  | $ | 222 |  |  | $ | 1,131 |  |  | $ | 1,295 |
Research and development expense | 1,317 |  |  | 1,031 |  |  | 3,853 |  |  | 3,571 |
Selling, general and administrative expense | 3,654 |  |  | 2,780 |  |  | 8,177 |  |  | 7,565 |
Total | $ | 5,575 |  |  | $ | 4,033 |  |  | $ | 13,161 |  |  | $ | 12,431 |
Schedule of Restricted Stock Units Outstanding |
(in thousands, except per share amounts) | Number of Shares |  | Weighted Average Grant-Date Fair Value Per Share
Balance at December 31, 2021 | 3,878 |  |  | $ | 7.31 |
Granted | 2,441 |  |  | 9.11
Vested | (2,089) |  |  | 7.22
Forfeited | (89) |  |  | 8.12
Balance at July 1, 2022 | 4,141 |  |  | $ | 8.50 |

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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 the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited 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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