Note 5 - Long-term Debt - Interest Expense (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jul. 02, 2022	Jul. 03, 2021	Jul. 02, 2022	Jul. 03, 2021
Contractual interest	$ 800	$ 588	$ 1,362	$ 1,185
Amortization of original issuance discount and debt costs	83	92	168	184
Total interest expense related to long-term debt	$ 883	$ 680	$ 1,530	$ 1,369

Amount of the cost of borrowed funds accounted for as interest expense for debt.

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