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Note 8 - Debt (Details Textual) - USD ($) $ in Millions | 1 Months Ended | 3 Months Ended |
--- | --- | --- | ---
Sep. 30, 2021 | Dec. 31, 2023 | Sep. 30, 2023
Line of Credit Facility, Maximum Borrowing Capacity | $ 100.0 |  |
Minimum [Member] |  |  |
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage | 0.15% |  |
Maximum [Member] |  |  |
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage | 0.25% |  |
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] |  |  |
Debt Instrument, Basis Spread on Variable Rate | 0.50% |  |
London Interbank Offered Rate [Member] |  |  |
Debt Instrument, Basis Spread on Variable Rate | 1.00% |  |
London Interbank Offered Rate [Member] | Forecast [Member] |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 1.00% |
London Interbank Offered Rate [Member] | Minimum [Member] |  |  |
Debt Instrument, Basis Spread on Variable Rate | 1.00% |  |
London Interbank Offered Rate [Member] | Maximum [Member] |  |  |
Debt Instrument, Basis Spread on Variable Rate | 2.25% |  |
Base Rate [Member] | Minimum [Member] |  |  |
Debt Instrument, Basis Spread on Variable Rate | 0.00% |  |
Base Rate [Member] | Maximum [Member] |  |  |
Debt Instrument, Basis Spread on Variable Rate | 1.25% |  |
Revolving Credit Facility [Member] |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 75.0 |  | $ 75.0
Debt Instrument, Interest Rate, Effective Percentage |  |  | 6.70%
Line of Credit Facility, Remaining Borrowing Capacity |  |  | $ 64.5
Term Loan [Member] |  |  |
Debt Instrument, Face Amount | 25.0 |  |
Debt Instrument, Annual Principal Payment | $ 3.6 |  |
Debt Instrument, Term | 5 years |  |

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- Definition Face (par) amount of debt instrument at time of issuance. + 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://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1B Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69B -Publisher FASB -URI https://asc.fasb.org//1943274/2147481568/470-20-55-69B Reference 4: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69C -Publisher FASB -URI https://asc.fasb.org//1943274/2147481568/470-20-55-69C Reference 5: 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 6: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482949/835-30-55-8 + Details
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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
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