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Segment Information - Schedule of Segment Information (Details) $ in Thousands | 3 Months Ended
--- | ---
Mar. 30, 2024 USD ($) segment | Apr. 01, 2023 USD ($)
Segment Reporting [Abstract] |  |
Number of reportable segments | segment | 2 |
Segment Reporting Information [Line Items] |  |
Revenues | $ 0 | $ 0
Gross profit | 0 | 0
Operating loss | (1,806) | (1,099)
Depreciation and amortization | 639 | 364
Interest income (expense), net | (252) | 475
Net income | (2,144) | 10,085
Discontinued Operations |  |
Segment Reporting Information [Line Items] |  |
Revenues | 0 | 3,795
Gross profit | 0 | (197)
Operating loss | 0 | 14,158
Depreciation and amortization | 0 | 96
Interest income (expense), net | 0 | 181
Net income | 0 | 13,976
Continuing Operations And Discontinued Operations |  |
Segment Reporting Information [Line Items] |  |
Revenues | 0 | 3,795
Gross profit | 0 | (197)
Operating loss | (1,806) | 13,059
Depreciation and amortization | 0 | 460
Interest income (expense), net | 252 | (294)
Net income | (2,219) | 13,087
Biotechnology |  |
Segment Reporting Information [Line Items] |  |
Revenues | 0 | 0
Gross profit | 0 | 0
Operating loss | (1,806) | (1,099)
Depreciation and amortization | 0 | 364
Interest income (expense), net | 252 | (475)
Net income | $ (2,219) | $ (889)

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Data Type: | na
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