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Investments Measured At Fair Value - Schedule of Financial Assets Measured at Fair Value on a Recurring Basis (Details) - USD ($) | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Asset, Cost | $ 60,479,643 | $ 51,221,903
Assets, Fair Value | 52,164,652 | 49,172,457
Vivacitas [Member] | Options [Member] |  |
Asset, Cost |  |
Assets, Fair Value |  |
Level 1 [Member] |  |
Assets, Fair Value | 20,392,798 | 10,567,756
Level 1 [Member] | Vivacitas [Member] | Options [Member] |  |
Assets, Fair Value |  |
Level 2 [Member] |  |
Assets, Fair Value |  |
Level 2 [Member] | Vivacitas [Member] | Options [Member] |  |
Assets, Fair Value |  |
Level 3 [Member] |  |
Assets, Fair Value | 31,771,854 | 38,604,701
Level 3 [Member] | Vivacitas [Member] | Options [Member] |  |
Assets, Fair Value |  |
Investment Securities- Fair Value [Member] |  |
Asset, Cost | 14,134,540 | 7,404,911
Assets, Fair Value | 17,923,989 | 10,549,102
Investment Securities- Fair Value [Member] | Level 1 [Member] |  |
Assets, Fair Value | 17,923,989 | 10,549,102
Investment Securities- Fair Value [Member] | Level 2 [Member] |  |
Assets, Fair Value |  |
Investment Securities- Fair Value [Member] | Level 3 [Member] |  |
Assets, Fair Value |  |
Investment Securities- Trading [Member] |  |
Asset, Cost | 2,457,162 | 17,650
Assets, Fair Value | 2,468,809 | 18,654
Investment Securities- Trading [Member] | Level 1 [Member] |  |
Assets, Fair Value | 2,468,809 | 18,654
Investment Securities- Trading [Member] | Level 2 [Member] |  |
Assets, Fair Value |  |
Investment Securities- Trading [Member] | Level 3 [Member] |  |
Assets, Fair Value |  |
Convertible Preferred Stock [Member] |  |
Asset, Cost | 42,889,000 | 42,889,000
Assets, Fair Value | 29,430,000 | 37,675,000
Convertible Preferred Stock [Member] | Level 1 [Member] |  |
Assets, Fair Value |  |
Convertible Preferred Stock [Member] | Level 2 [Member] |  |
Assets, Fair Value |  |
Convertible Preferred Stock [Member] | Level 3 [Member] |  |
Assets, Fair Value | 29,430,000 | 37,675,000
Convertible Note Receivable [Member] |  |
Asset, Cost | 138,599 | 50,000
Assets, Fair Value | 153,590 | 66,978
Convertible Note Receivable [Member] | Level 1 [Member] |  |
Assets, Fair Value |  |
Convertible Note Receivable [Member] | Level 2 [Member] |  |
Assets, Fair Value |  |
Convertible Note Receivable [Member] | Level 3 [Member] |  |
Assets, Fair Value | 153,590 | 66,978
Warrant [Member] | American Premium Water Corp [Member] |  |
Asset, Cost | 860,342 | 860,342
Assets, Fair Value | 2,188,264 | 862,723
Warrant [Member] | American Medical REIT Inc. [Member] |  |
Asset, Cost |  |
Assets, Fair Value |  |
Warrant [Member] | Level 1 [Member] | American Premium Water Corp [Member] |  |
Assets, Fair Value |  |
Warrant [Member] | Level 1 [Member] | American Medical REIT Inc. [Member] |  |
Assets, Fair Value |  |
Warrant [Member] | Level 2 [Member] | American Premium Water Corp [Member] |  |
Assets, Fair Value |  |
Warrant [Member] | Level 2 [Member] | American Medical REIT Inc. [Member] |  |
Assets, Fair Value |  |
Warrant [Member] | Level 3 [Member] | American Premium Water Corp [Member] |  |
Assets, Fair Value | 2,188,264 | 862,723
Warrant [Member] | Level 3 [Member] | American Medical REIT Inc. [Member] |  |
Assets, Fair Value |  |

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