Note 11 - Income Taxes (Details Textual) - USD ($) $ in Thousands	3 Months Ended
	Apr. 02, 2022	Apr. 03, 2021	Jan. 01, 2022
Income Tax Expense (Benefit), Total	$ 955	$ 956
Other Noncurrent Liabilities [Member]
Liability for Uncertainty in Income Taxes, Noncurrent	$ 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