Note 8 - Debt and Other Financing Arrangements - Schedule of Debt Repayments (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Less current portion of long-term debt	$ (683)	$ (678)
Total long-term debt, net of current portion	3,789	$ 1,951
Equipment Loan Arrangement [Member]
2020	340
2021	688
2022	664
2023	294
2024	305
Long-term debt from equipment financing	2,291
Less current portion of long-term debt	(683)
Total long-term debt, net of current portion	1,608
Paycheck Protection Program CARES Act [Member]
Total long-term debt, net of current portion	$ 2,181

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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