Note 3 - Long-term Debt - Long-term Debt (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Long-term debt, gross	$ 96,828	$ 88,113
Payments due within one year included in current liabilities	15,286	15,286
Debt issuance costs	660	455
Long-term debt less current maturities	80,882	72,372
Truist Bank [Member] \| Term Loan Maturing February 26, 2024 [Member]
Long-term debt, gross	16,500	21,000
Truist Bank [Member] \| Term Loan Maturing January 22, 2026 [Member]
Long-term debt, gross	42,560	49,524
Truist Bank [Member] \| Revolving Credit Facility [Member]
Long-term debt, gross	$ 37,768	$ 17,589

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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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

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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.

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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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