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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