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3. Investments (Details 2) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Cost | $ 1,999,381 | $ 1,999,381
Unrealized gain (loss) | 585,532 | (144,156)
Estimated fair value | 2,584,913 | 1,855,225
Hedge Fund |  |
Cost | 1,999,381 | 1,999,381
Unrealized gain (loss) | 585,532 | (144,156)
Estimated fair value | $ 2,584,913 | $ 1,855,225

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