Note 10 - Debt and Other Financing Arrangements - Schedule of Debt Repayments (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
2019	$ 416
2020	416
2021	416
2022	380
Total long-term debt	1,628
Less current portion of long-term debt	(416)	$ (957)
Total long-term debt, net of current portion	$ 1,212	$ 2,420

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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