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Income Taxes - Tax Effect of Temporary Differences and Carryforwards that Give Rise to Significant Portions of the Net Deferred Tax Assets (Details) - USD ($) $ in Thousands | Dec. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Deferred tax assets: |  |
Net operating losses | $ 13,268 | $ 11,264
Research and development credits | 4,225 | 3,904
Accruals and reserves | 1,573 | 2,505
Deferred revenue | 2,593 | 2,640
Property and equipment | 237 | 283
Intangible assets | 281 | 344
Section 174 research and experimental expenditures capitalization | 2,544 | 1,500
Stock compensation | 725 | 717
Other tax credits | 1 | 1
Total deferred tax asset | 25,447 | 23,158
Less: Valuation allowance | (25,357) | (23,078)
Total deferred tax assets, net | 90 | 80
Deferred tax liabilities: |  |
Goodwill | (116) | (104)
Total deferred tax liabilities | (116) | (104)
Net deferred tax liabilities | $ (26) | $ (24)

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