Note 15 - Fair Values of Financial Instruments - Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	Dec. 25, 2021	Dec. 26, 2020
Cash and cash equivalents	$ 4,374	$ 3,505
Current portion of long-term debt	7,143
Long-term debt	50,396	30,073
Fair Value, Inputs, Level 1 [Member]
Cash and cash equivalents	4,374	3,505
Fair Value, Inputs, Level 2 [Member]
Current portion of long-term debt	7,143
Long-term debt	$ 50,396	$ 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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Balance Type:	debit
Period Type:	instant