Note 13 - Discontinued Operations (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Operating revenues	$ 740	$ 667
Operating costs and expenses	(657)	(607)
Deprectiation expense		(71)
Income (loss) from discontinued operations	$ 83	$ (11)

Amount of depreciation and amortization expense attributable to disposal group, including, but not limited to, discontinued operation.

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Amount of operating expense attributable to disposal group, including, but not limited to, discontinued operation.

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Amount of revenue attributable to disposal group, including, but not limited to, discontinued operation.

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