Note 9 - Equity Method Investment - TEL's Summarized Financial Information - Income Statement (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Revenue	$ 24,505	$ 23,574	$ 51,988	$ 48,715
Operating Expenses	17,052	18,374	37,052	38,999
Operating Income	7,453	5,200	14,936	9,716
Net Income	$ 4,792	$ 3,464	$ 9,881	$ 6,482

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

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- Definition

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

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The amount of net income (loss) reported by an equity method investment of the entity.

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Amount of revenue from sale of product and rendering of service reported by equity method investee.

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