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Income Taxes - Deferred Income Taxes (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Jan. 01, 2022
--- | --- | ---
Deferred tax assets: |  |
Capitalized research and development | $ 15,188 | $ 981
Tax credit carryforwards | 13,334 | 12,247
Intangible assets | 7,938 | 8,687
Accrued liabilities | 6,809 | 6,078
Deferred income on shipments to distributors | 6,726 | 4,588
Leases | 5,517 | 6,033
Net operating loss carryforwards | 4,965 | 5,803
Other | 7,118 | 3,199
Deferred tax assets | 67,595 | 47,616
Less: Valuation allowance | (9,409) | (9,529)
Deferred tax assets, net | 58,186 | 38,087
Deferred tax liabilities: |  |
Intangible assets | 13,789 | 14,479
Fixed assets | 8,518 | 8,692
Prepaid expenses and other | 5,460 | 6,049
Leases | 5,189 | 5,664
Unrealized gain on equity method investment | 4,120 | 3,342
Debt | 177 | 16,399
Deferred tax liabilities | 37,253 | 54,625
Net deferred tax liabilities |  | $ (16,538)
Net deferred tax assets (liabilities) | $ 20,933 |

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