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Note 9 - Long-term Debt (Details Textual) $ in Thousands |  | 2 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
May 19, 2022 USD ($) | Mar. 01, 2023 | Sep. 30, 2023 USD ($) | Sep. 30, 2022 USD ($) | Jun. 30, 2021 | Sep. 30, 2023 USD ($) | Sep. 30, 2022 USD ($) | Dec. 31, 2021 USD ($) | Jul. 11, 2023 USD ($) | Jan. 05, 2023 USD ($) | Dec. 31, 2022 USD ($) | Jun. 13, 2019 USD ($)
Repayments of Long-Term Debt |  |  |  |  |  | $ 18,438 | $ 8,437 |  |  |  |  |
Interest Rate Swap Effective May 31, 2019 Through May 31, 2024 [Member] |  |  |  |  |  |  |  |  |  |  |  |
Derivative Liability, Notional Amount |  |  |  |  |  |  |  |  |  |  |  | $ 175,000
Derivative, Fixed Interest Rate |  |  | 2.424% |  |  | 2.424% |  |  |  |  |  |
Interest Rate Swap [Member] |  |  |  |  |  |  |  |  |  |  |  |
Derivative Counter Party Risk Number of Financial Institutions |  | 1 |  |  |  |  |  |  |  |  |  |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax |  |  | $ (291) | $ (291) |  | $ (873) | (873) |  |  |  |  |
Interest Expense, Debt |  |  | 119 | $ 119 |  | 357 | $ 357 |  |  |  |  |
Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimated Net Amount to be Transferred |  |  |  |  |  | 458 |  |  |  |  |  |
Derivative, Notional Amount | $ 125,000 |  |  |  |  |  |  |  |  |  |  |
Derivative, Nonmonetary Notional Amount, Flow Rate, Percentage | 2.718% |  |  |  |  |  |  |  |  |  |  |
Interest Rate Derivative Assets, at Fair Value |  |  | 7,272 |  |  | 7,272 |  |  |  |  |  |
Interest Rate Derivative Liabilities, at Fair Value |  |  |  |  |  |  |  |  |  |  | $ 7,039 |
Secured Debt [Member] |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Unamortized Discount, Total |  |  | 303 |  |  | 303 |  |  |  |  | 387 |
Long-Term Debt |  |  | 189,385 |  |  | 189,385 |  |  |  |  | 207,737 |
Prepaid Expenses and Other Current Assets [Member] | Interest Rate Swap [Member] |  |  |  |  |  |  |  |  |  |  |  |
Interest Rate Derivative Assets, at Fair Value |  |  | 4,376 |  |  | 4,376 |  |  |  |  | 4,120 |
Other Noncurrent Assets [Member] | Interest Rate Swap [Member] |  |  |  |  |  |  |  |  |  |  |  |
Interest Rate Derivative Assets, at Fair Value |  |  | 2,896 |  |  | 2,896 |  |  |  |  | 2,919 |
Credit Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |
Debt Issuance Costs, Net |  |  |  |  |  |  |  | $ 1,409 |  |  |  |
Debt Instrument, Unamortized Discount, Total |  |  |  |  |  |  |  | 563 |  |  |  |
Write off of Deferred Debt Issuance Cost |  |  |  |  |  |  |  | 972 |  |  |  |
Write off of Unamortized Debt Discount |  |  |  |  |  |  |  | 3,964 |  |  |  |
Gain (Loss) on Extinguishment of Debt, Total |  |  |  |  |  |  |  | $ 4,936 |  |  |  |
Repayments of Long-Term Debt |  |  | 10,000 |  |  | 10,000 |  |  |  |  |  |
Debt Instrument Covenant Leverage Ratio |  |  |  |  | 3.50% |  |  |  |  |  |  |
Debt Instrument, Covenant Consolidated Interest Coverage Ratio |  |  |  |  | 3.00% |  |  |  |  |  |  |
Credit Agreement [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility Increase in Maximum Borrowing Capacity |  |  | 175,000 |  |  | 175,000 |  |  |  |  |  |
Credit Agreement [Member] | Asset Pledged as Collateral [Member] | Cash Surrender Value of Corporate Owned Life Insurance Policies [Member] |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  |  |  |  |  | $ 1,000 |  |  |
Credit Agreement [Member] | Asset Pledged as Collateral [Member] | Corporate Owned Life Insurance Policies [Member] | Other Noncurrent Liabilities [Member] |  |  |  |  |  |  |  |  |  |  |  |
Secured Debt |  |  | 750 |  |  | 750 |  |  |  |  |  |
Senior Secured Term Loan Facility [Member] |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  | 225,000 |  |  | $ 225,000 |  |  |  |  |  |
Senior Secured Term Loan Facility [Member] | Secured Overnight Financing Rate (SOFR) [Member] |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  |  |  | 0.10% |  |  |  |  |  |
Senior Secured Term Loan Facility [Member] | Minimum [Member] | Leverage Ratio One [Member] | Secured Overnight Financing Rate (SOFR) [Member] |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  |  |  | 1.375% |  |  |  |  |  |
Senior Secured Term Loan Facility [Member] | Maximum [Member] | Leverage Ratio One [Member] | Secured Overnight Financing Rate (SOFR) [Member] |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  |  |  | 2.00% |  |  |  |  |  |
Swingline Loan [Member] |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  | 15,000 |  |  | $ 15,000 |  |  |  |  |  |
Revolving Credit Facility [Member] |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility Increase in Maximum Borrowing Capacity |  |  |  |  |  |  |  |  |  | $ 50,000 |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  | 150,000 |  |  | 150,000 |  |  |  | 150,000 |  |
Debt Issuance Costs, Net |  |  |  |  |  |  |  |  |  | $ 334 |  |
Long-Term Line of Credit |  |  | 101,000 |  |  | 101,000 |  |  |  |  | 0 |
Line of Credit Facility, Remaining Borrowing Capacity |  |  | 48,450 |  |  | $ 48,450 |  |  |  |  | $ 99,450 |
Revolving Credit Facility [Member] | New York Federal Reserve Bank NYFRB [Member] |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  |  |  | 0.50% |  |  |  |  |  |
Revolving Credit Facility [Member] | One Month Adjusted Term SOFR Rate [Member] |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  |  |  | 0.10% |  |  |  |  |  |
Revolving Credit Facility [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage |  |  |  |  |  | 0.15% |  |  |  |  |  |
Revolving Credit Facility [Member] | Minimum [Member] | Leverage Ratio Two [Member] | Secured Overnight Financing Rate (SOFR) [Member] |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  |  |  | 0.375% |  |  |  |  |  |
Revolving Credit Facility [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage |  |  |  |  |  | 0.30% |  |  |  |  |  |
Revolving Credit Facility [Member] | Maximum [Member] | Leverage Ratio Two [Member] | Secured Overnight Financing Rate (SOFR) [Member] |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  |  |  | 1.00% |  |  |  |  |  |
Letter of Credit [Member] |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  | $ 10,000 |  |  | $ 10,000 |  |  |  |  |  |

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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)(a)(2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 + Details
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