Note 5 - Long-term Debt - Interest Expense (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Oct. 01, 2022	Oct. 02, 2021	Oct. 01, 2022	Oct. 02, 2021
Contractual interest	$ 1,328	$ 568	$ 2,690	$ 1,753
Amortization of original issuance discount and debt costs	76	90	243	274
Total interest expense related to long-term debt	$ 1,404	$ 658	$ 2,933	$ 2,027

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

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