Note 11 - Income Taxes (Details Textual) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 02, 2022	Jul. 03, 2021	Jul. 02, 2022	Jul. 03, 2021	Jan. 01, 2022
Income Tax Expense (Benefit), Total	$ 1,120	$ 641	$ 2,075	$ 1,597
Other Noncurrent Liabilities [Member]
Liability for Uncertainty in Income Taxes, Noncurrent	21,300		$ 21,300
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued, Total					$ 21,600
Domestic Tax Authority [Member]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent			21.00%
Foreign Tax Authority [Member]
Deferred Tax Assets, Valuation Allowance, Total	$ 0		$ 0