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Note 10 - Equity Method Investment - TEL's Summarized Financial Information - Balance Sheets (Details) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Current Assets $ 19,660 $ 14,320
Non-current Assets 183,905 146,081
Current Liabilities 53,981 34,766
Non-current Liabilities 117,135 96,140
Total Equity $ 32,449 $ 29,495