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Stock-Based Compensation - Stock-Based Compensation Expenses (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 30, 2024 | Apr. 01, 2023
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] |  |
Stock-based compensation expense | $ 394 | $ 473
Cost of Revenues |  |
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] |  |
Stock-based compensation expense | 60 | 61
Research and Development |  |
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] |  |
Stock-based compensation expense | 52 | 52
Sales and Marketing |  |
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] |  |
Stock-based compensation expense | 111 | 121
General and Administrative |  |
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] |  |
Stock-based compensation expense | $ 171 | $ 239

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