Note 8 - Intangible Assets - Amortization Expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 04, 2026	Mar. 29, 2025
Amortization of acquired intangible assets	$ 20	$ 0
Amortization of intangible assets	569	479
Intangible Assets [Member]
Research and development	$ 549	$ 479