Note 9 - Debt and Other Financing Arrangements - Schedule of Debt Repayments (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
2018	$ 479
2019	891
2020	702
2021	446
2022	381
Total long-term debt	2,899
Less current portion of long-term debt	(957)	$ (957)
Total long-term debt, net of current portion	$ 1,942	$ 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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