Note 5 - Financing Arrangements - Long-term Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Long-term debt gross	$ 7,148	$ 3,755
Debt issuance Costs	(79)	(132)
Total long-term debt	7,069	3,623
Current maturities of long-term debt	(1,204)	(444)
Long-term debt - net of current maturities	5,865	3,179
Real Estate Term Note [Member]
Long-term debt gross	1,071	3,755
Paycheck Protection Program CARES Act [Member]
Long-term debt gross	$ 6,077

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.

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