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Note 7 - Debt and Credit Agreements - Outstanding Debt Balances (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Less: Current portion	$ (13,855)	$ (6,650)
Long-term debt, net of current maturities	170	177
Line of Credit [Member]
Long-term Debt, Total	13,556	6,350
Notes Payable, Other Payables [Member]
Long-term Debt, Total	272	274
Less: Current portion	(185)	(186)
Long-Term Debt [Member]
Long-term Debt, Total	$ 197	$ 203

X

- Definition

Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

+ References

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X

- Definition

Amount, after 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.

+ References

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- Definition

Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt classified as noncurrent. Excludes lease obligation.

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