Note 2 - Long-term Debt - Long-term Debt (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Long-term Debt, Gross	$ 117,578	$ 117,693
Payments due within one year included in current liabilities	15,286	6,000
Debt issuance costs	361	171
Long-term debt less current maturities	101,931	111,522
Note Payable Maturing May 2023 [Member] \| BB&T [Member]
Long-term Debt, Gross	24,126	1,193
Term Loan Maturing January 22, 2026 [Member] \| BB&T [Member]
Long-term Debt, Gross	63,452
Term Loan Maturing February 26, 2024 [Member] \| BB&T [Member]
Long-term Debt, Gross	30,000	31,500
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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- 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
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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

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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.

+ References

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