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Income Taxes - Deferred income taxes (Details) - USD ($) $ in Thousands | Dec. 28, 2024 | Dec. 30, 2023
--- | --- | ---
Deferred tax assets: |  |
Capitalized research and development | $ 28,613 | $ 27,402
Tax credit carryforwards | 23,100 | 13,303
Net operating loss carryforwards | 17,484 | 6,911
Intangible assets | 6,447 | 7,188
Leases | 6,388 | 6,584
Deferred income on shipments to distributors | 2,153 | 6,465
Accrued liabilities | 2,063 | 2,859
Other | 6,130 | 3,072
Deferred tax assets | 92,378 | 73,784
Less: Valuation allowance | (60,760) | (10,530)
Deferred tax assets, net | 31,618 | 63,254
Deferred tax liabilities: |  |
Intangible assets | 13,718 | 13,916
Fixed assets | 6,812 | 8,353
Leases | 6,053 | 6,238
Prepaid expenses and other | 3,555 | 4,534
Stock-based compensation | 1,001 | 0
Deferred tax liabilities | 31,139 | 33,041
Net deferred tax assets (liabilities) | $ 479 | $ 30,213

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