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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, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Revenue $ 30,709 $ 25,437 $ 82,683 $ 74,152
Cost of Sales 6,302 6,568 17,213 23,738
Operating Expenses 16,634 12,493 42,775 34,322
Operating Income 7,773 6,376 22,695 16,092
Net Income $ 4,585 $ 4,369 $ 14,452 $ 10,850