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Note 9 - Equity Method Investment - TEL's Summarized Financial Information - Income Statement (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Revenue	$ 23,574	$ 23,712	$ 48,715	$ 46,245
Operating Expenses	18,374	20,516	38,999	40,314
Operating Income	5,200	3,196	9,716	5,931
Net Income	$ 3,464	$ 2,023	$ 6,482	$ 3,689

X

- Definition

The amount of the cost of sales reported by an equity method investment of the entity.

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Amount of income (loss) from continuing operations reported by an equity method investee.

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