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Note 9 - Equity Method Investment - TEL's Summarized Financial Information - Balance Sheets (Details) - USD ($)
$ in Thousands
Jun. 30, 2019
Dec. 31, 2018
Current Assets $ 26,400 $ 25,877
Non-current Assets 320,129 273,987
Current Liabilities 15,802 78,530
Non-current Liabilities 275,901 176,389
Total Equity $ 54,826 $ 44,945