Note 3 - Long-term Debt - Long-term Debt (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Long-term debt, gross	$ 130,615	$ 116,755
Payments due within one year included in current liabilities	15,286	15,286
Debt issuance costs	589	624
Long-term debt less current maturities	114,740	100,845
Truist Bank [Member] \| Revolving Credit Facility [Member]
Long-term debt, gross	79,198	61,517
BB&T [Member] \| Term Loan Maturing February 26, 2024 [Member]
Long-term debt, gross	13,500	15,000
BB&T [Member] \| Term Loan Maturing May 2020 [Member]
Long-term debt, gross	$ 37,917	$ 40,238

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://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
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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://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
-Section 50
-Paragraph 1D
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Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt classified as noncurrent. Excludes lease obligation.

+ References

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