Note 6 - Long-term Debt - Long-term Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Long-term Debt, Gross	$ 117,693	$ 38,975
Payments due within one year included in current liabilities	6,000	6,000
Debt issuance costs	171	42
Long-term debt less current maturities	111,522	32,933
Note Payable Maturing May 2023 [Member] \| BB&T [Member]
Long-term Debt, Gross	1,193	1,475
Term Loan Maturing February 26, 2024 [Member] \| BB&T [Member]
Long-term Debt, Gross	31,500	37,500
Term Loan Maturing May 2020 [Member] \| BB&T [Member]
Long-term Debt, Gross	$ 85,000

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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