Note 3 - Long-term Debt - Long-term Debt (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Long-term debt, gross	$ 144,187	$ 156,125
Payments due within one year included in current liabilities	3,750	3,750
Debt issuance costs	764	808
Long-term debt less current maturities	139,673	151,567
PNC Bank [Member] \| Revolving Credit Facility [Member]
Long-term debt, gross	72,000	83,000
BB&T [Member] \| Term Loan Maturing May 2020 [Member]
Long-term debt, gross	$ 72,187	$ 73,125

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

No definition available.

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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://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
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- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-Publisher FASB
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481139/470-20-50-1D

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Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as noncurrent. Excludes lease obligation.

+ References

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