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Note 9 - Equity Method Investment - TEL's Summarized Financial Information - Income Statement (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Revenue $ 25,437 $ 18,299 $ 74,152 $ 64,543
Operating Expenses 19,061 15,439 58,060 55,753
Operating Income 6,376 2,860 16,092 8,790
Net Income $ 4,369 $ 1,499 $ 10,850 $ 5,188