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Note 7 - Indebtedness (Details Textual) $ / shares in Units, $ in Thousands |  |  | 1 Months Ended | 3 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Mar. 05, 2021 USD ($) | Aug. 12, 2019 USD ($) $ / shares | Jan. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2023 USD ($) | Oct. 05, 2023 USD ($) | Mar. 31, 2023 USD ($)
Long-Term Line of Credit |  |  |  | $ 62,000 | $ 62,000 |  | $ 13,000
Senior Secured Credit Agreement [Member] |  |  |  |  |  |  |
Debt Instrument, Covenant, Maximum Total Leverage Ratio for the Fifth, Sixth, Seventh, and Eighth Testing Dates | 4.5 |  |  |  |  |  |
Debt Instrument, Covenant, Maximum Conditional Total Leverage Ratio Following an Acquisition | 5.75 |  |  |  |  |  |
Debt Instrument, Interest Rate, Effective Percentage |  |  |  | 7.20% | 7.20% |  |
Proceeds from Lines of Credit |  |  |  |  | $ 71,000 |  |
Repayments of Lines of Credit |  |  |  | $ 9,000 |  |  |
Long-Term Line of Credit |  |  |  | $ 62,000 | $ 62,000 |  |
Senior Secured Credit Agreement [Member] | Subsequent Event [Member] |  |  |  |  |  |  |
Repayments of Lines of Credit |  |  | $ 4,000 |  |  |  |
Senior Secured Credit Agreement [Member] | Revolving Credit Facility [Member] |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 125,000 |  |  |  |  |  |
Senior Secured Credit Agreement [Member] | Maximum [Member] |  |  |  |  |  |  |
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage | 0.35% |  |  |  |  |  |
Senior Secured Credit Agreement [Member] | Maximum [Member] | Swingline Loan [Member] |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 5,000 |  |  |  |  |  |
Senior Secured Credit Agreement [Member] | Maximum [Member] | Letter of Credit [Member] |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | 2,500 |  |  |  |  |  |
Senior Secured Credit Agreement [Member] | Maximum [Member] | The Credit Facility Term Loan [Member] |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 75,000 |  |  |  |  | $ 125,000 |
Senior Secured Credit Agreement [Member] | Minimum [Member] |  |  |  |  |  |  |
Fixed Charge Coverage Ratio | 1.25 |  |  |  |  |  |
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage | 0.15% |  |  |  |  |  |
Senior Secured Credit Agreement [Member] | Minimum [Member] | The Credit Facility Term Loan [Member] |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 25,000 |  |  |  |  |  |
The Notes [Member] | Senior Notes [Member] |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Effective Percentage |  |  |  | 1.90% | 1.90% |  |
Debt Instrument, Face Amount |  | $ 172,500 |  |  |  |  |
Proceeds from Convertible Debt |  | $ 167,056 |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  | 1.375% |  | 1.375% | 1.375% |  |
Debt Instrument, Convertible, Conversion Ratio Per 1,000 Principal |  | 3.5273 |  |  |  |  |
Debt Instrument, Convertible, Conversion Price (in dollars per share) | $ / shares |  | $ 283.5 |  |  |  |  |

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- Definition Requirement for maximum estimated total leverage ratio under the debt agreement following an acquisition. + References No definition available. + Details
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- Definition Requirement for maximum total leverage ratio under the debt agreement for the fifth, sixth, seventh, and eighth testing dates. + References No definition available. + Details
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- Definition Actual fixed charge coverage ratio under the debt agreement. + References No definition available. + Details
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- Definition The price per share of the conversion feature embedded in the debt instrument. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1B Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-5 + Details
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- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482900/835-30-50-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482925/835-30-45-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-6 + Details
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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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- Definition The cash inflow from the issuance of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-14 + Details
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