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3. Investments (Details 2) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2020 | Dec. 31, 2019
Cost | $ 1,999,381 | $ 1,999,381
Unrealized gain (loss) | (11,859) | 585,532
Estimated fair value | 1,987,522 | 2,584,913
Hedge Fund |  |
Cost | 1,999,381 | 1,999,381
Unrealized gain (loss) | (11,859) | 585,532
Estimated fair value | $ 1,987,522 | $ 2,584,913

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