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Note 11 - Long-term Debt (Details Textual) - USD ($) $ in Thousands			12 Months Ended
	Nov. 08, 2022	Apr. 28, 2022	Dec. 31, 2022	Dec. 31, 2021	Mar. 31, 2021	Dec. 22, 2020
Long-term Debt, Gross			$ 47,664
Debt Issuance Costs, Net, Total			$ 840	$ 1,120
The Credit Agreement [Member]
Debt Issuance Costs, Net, Total						$ 1,400
Line of Credit Facility, Interest Rate During Period			5.00%	3.30%
Line of Credit Facility, Interest Rate at Period End			7.60%
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			$ 1,100
Payments of Debt Restructuring Costs		$ 200
Payments for Debt Fees	$ 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			$ 2,900
Term Loan [Member]
Long-term Debt, Gross			$ 34,814	$ 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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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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