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Note 9 - Equity Method Investment - TEL's Summarized Financial Information - Balance Sheets (Details) - USD ($) | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Current Assets | $ 28,577 | $ 25,877
Non-current Assets | 346,014 | 273,987
Current Liabilities | 85,751 | 78,530
Non-current Liabilities | 232,992 | 176,389
Total Equity | $ 55,848,000 | $ 44,945,000

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