Note 12 - Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 30, 2023	Dec. 31, 2022
Intangible assets	$ 4,274	$ 6,264
Net operating loss carry forwards	13,829	15,362
Tax credit carry forwards	87,955	103,092
Accrued liabilities and reserves	23,249	12,932
Stock-based and deferred compensation	5,199	3,769
Other	5,162	5,031
Total deferred tax assets	139,668	146,450
Less: valuation allowance	(79,100)	(140,533)
Net deferred tax assets	60,568	5,917
Fixed assets	1,475	2,058
Unremitted earnings	620	2,498
Other	6,889	8,134
Total deferred tax liabilities	8,984	12,690
Net deferred taxes	51,584	6,773
Net deferred taxes	(51,584)	(6,773)
Deferred tax assets	60,568	5,917
Deferred tax liabilities (included in Other long-term liabilities)	(8,984)	(12,690)
Net deferred taxes	51,584	6,773
Net deferred taxes	(51,584)	(6,773)
Other Noncurrent Assets [Member]
Net deferred tax assets	57,762	1,022
Deferred tax assets	57,762	1,022
Other Noncurrent Liabilities [Member]
Total deferred tax liabilities	6,178	7,795
Deferred tax liabilities (included in Other long-term liabilities)	$ (6,178)	$ (7,795)