Note 6 - Long-Term Debt - Interest Expense (Details) - USD ($) $ in Thousands	12 Months Ended
Jan. 02, 2021	Dec. 28, 2019	Dec. 29, 2018
Contractual interest	$ 3,319	$ 10,278	$ 18,600
Amortization of original issuance discount and debt costs	400	1,659	2,230
Total interest expense related to long-term debt	$ 3,719	$ 11,937	$ 20,830

Amount of amortization expense attributable to debt issuance costs.

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

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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Represents the portion of interest incurred in the period on debt arrangements that was charged against earnings, excluding amortization of debt discount (premium) and financing costs.

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