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Note 9 - Equity Method Investment - TEL's Summarized Financial Information - Balance Sheets (Details) - USD ($) $ in Thousands | Sep. 30, 2018 | Dec. 31, 2017
--- | --- | ---
Current Assets | $ 23,276 | $ 19,660
Non-current Assets | 255,352 | 183,905
Current Liabilities | 15,451 | 53,981
Non-current Liabilities | 219,878 | 117,135
Total Equity | $ 43,299 | $ 32,449

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