Note 14 - Paycheck Protection Program Loan - PPP Loan Balance (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Current portion	$ 950
Long-term portion	634
Paycheck Protection Program CARES Act [Member]
Principal	1,572
Accrued interest	12
Current portion	950
Long-term portion	634
Long-term Debt, Total	$ 1,584

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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Amount of interest payable on debt, including, but not limited to, trade payables.

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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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