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Note 9 - Long-Term Debt (Details Textual) - USD ($) $ in Thousands		3 Months Ended
	Apr. 28, 2022	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021	Dec. 22, 2020
Debt Issuance Costs, Net, Total		$ 1,050		$ 1,120
The Credit Agreement [Member]
Debt Issuance Costs, Net, Total					$ 1,400
Debt, Weighted Average Interest Rate		3.40%
Line of Credit Facility, Interest Rate During Period		3.10%	3.30%
Debt Instrument, Quarterly Payment, Current Year			$ 500
Debt Instrument Quarterly Payment Next Eight Years			750
Debt Instrument, Quarterly Payment, Thereafter			$ 1,000
Percentage of Consolidated Excess Cash Flow			50.00%
Debt Instrument, Current Maturities, Excess Cash Flow Sweep		$ 200
The Credit Agreement [Member] | Subsequent Event [Member]
Payments of Debt Restructuring Costs	$ 200
The Credit Agreement [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Interest Rate, State Floor Percentage		0.50%
The Credit Agreement [Member] | London Interbank Offered Rate (LIBOR) [Member] | Maximum [Member]
Debt Instrument, Basis Spread on Variable Rate		3.25%
The Credit Agreement [Member] | Base Rate [Member]
Debt Instrument, Interest Rate, State Floor Percentage		1.00%
The Credit Agreement [Member] | The ABR Loan [Member] | Minimum [Member]
Debt Instrument, Basis Spread on Variable Rate		1.50%
The Credit Agreement [Member] | The ABR Loan [Member] | Maximum [Member]
Debt Instrument, Basis Spread on Variable Rate		3.00%
The Credit Agreement [Member] | Revolving Credit Facility [Member]
Line of Credit Facility, Remaining Borrowing Capacity		$ 6,800
Term Loan [Member]
Long-term Debt, Gross		$ 37,064		$ 38,000
The LIBOR Loan and Pricing Grid Credit Agreement [Member] | The Credit Agreement [Member] | London Interbank Offered Rate (LIBOR) [Member] | Minimum [Member]
Debt Instrument, Basis Spread on Variable Rate		2.00%
The Lenders [Member] | The Credit Agreement [Member] | Revolving Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity					25,000
The Lenders [Member] | The Credit Agreement [Member] | Letter of Credit [Member]
Line of Credit Facility, Maximum Borrowing Capacity					10,000
The Lenders [Member] | The Credit Agreement [Member] | Swingline Loan Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity					10,000
The Lenders [Member] | Term Loan [Member] | The Credit Agreement [Member]
Long-term Debt, Gross					$ 40,000

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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