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Income Taxes - Deferred Income Taxes (Details) - USD ($) $ in Thousands | Jan. 02, 2021 | Dec. 28, 2019
--- | --- | ---
Deferred tax assets: |  |
Net operating loss carryforwards | $ 6,839 | $ 7,912
Tax credit carryforwards | 22,421 | 14,755
Stock-based compensation | 2,683 | 2,619
Intangible assets | 9,802 | 7,135
Fixed assets | 261 | 289
Capitalized research and development | 1,237 | 1,735
Deferred income on shipments to distributors | 3,099 | 4,018
Leases | 6,335 | 3,446
Accrued liabilities and other | 7,652 | 7,374
Deferred tax assets | 60,329 | 49,283
Less: Valuation allowance | (5,311) | (4,486)
Deferred tax assets, net | 55,018 | 44,797
Deferred tax liabilities: |  |
Intangible assets | 16,758 | 16,621
Fixed assets | 8,473 | 4,969
Leases | 5,999 | 3,166
Debt | 21,674 | 5,741
Prepaid expenses and other | 4,919 | 2,424
Deferred tax liabilities | 57,823 | 32,921
Net deferred tax liabilities | $ (2,805) |
Net deferred tax assets |  | $ 11,876

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