Note 9 - Debt - Principal Payments Due on Term Loan (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Total	$ 123,387	$ 130,144
Loans Payable [Member]
Remainder of 2020	12,600
2021	21,000
2022	88,200
Total	$ 121,800

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

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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