Note 17 - Fair Values of Financial Instruments - Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	Dec. 26, 2020	Dec. 28, 2019
Cash and cash equivalents	$ 3,505	$ 5,882
Long-term debt	30,073
Fair Value, Inputs, Level 1 [Member]
Cash and cash equivalents	3,505	$ 5,882
Fair Value, Inputs, Level 2 [Member]
Long-term debt	$ 30,073

Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

No definition available.

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