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Note 9 - Long-Term Debt (Details Textual) - USD ($) $ in Thousands |  | 3 Months Ended | 6 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Apr. 28, 2022 | Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021 | Dec. 31, 2021 | Mar. 31, 2021 | Dec. 22, 2020
Debt Issuance Costs, Net, Total |  | $ 980 |  | $ 980 |  | $ 1,120 |  |
The Credit Agreement [Member] |  |  |  |  |  |  |  |
Debt Issuance Costs, Net, Total |  |  |  |  |  |  |  | $ 1,400
Line of Credit Facility, Interest Rate During Period |  | 4.00% | 3.40% | 3.60% | 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% |
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% |  | 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% |  | 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 |  | $ 2,900 |  |  |  |
Term Loan [Member] |  |  |  |  |  |  |  |
Long-term Debt, Gross |  | $ 36,314 |  | $ 36,314 |  | $ 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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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI https://asc.fasb.org/extlink&oid=123466204&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 + Details
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