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Note 9 - Equity Method Investment - TEL's Summarized Financial Information - Balance Sheets (Details) - USD ($)
$ in Thousands
Jun. 30, 2017
Dec. 31, 2016
Current Assets $ 13,390 $ 14,320
Non-current Assets 166,013 146,081
Current Liabilities 9,659 34,766
Non-current Liabilities 140,625 96,140
Total Equity $ 29,119 $ 29,495