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3. Investments (Details 2) - USD ($)
9 Months Ended 12 Months Ended
Sep. 30, 2019
Dec. 31, 2018
Cost $ 1,999,381 $ 1,999,381
Unrealized gain (loss) 426,523 (144,156)
Estimated fair value 2,425,904 1,855,225
Hedge Fund    
Cost 1,999,381 1,999,381
Unrealized gain (loss) 426,523 (144,156)
Estimated fair value $ 2,425,904 $ 1,855,225