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Note 9 - TEL's Summarized Financial Information - Income Statement (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Revenue $ 23,508 $ 34,386 $ 43,199 $ 63,415
Operating Expenses 20,817 30,850 37,204 56,403
Operating Income 2,691 3,536 5,995 7,012
Net Income $ 1,610 $ 2,750 $ 3,812 $ 5,527