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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

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