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v3.21.1

Investments (Details 2) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2021 | Dec. 31, 2020
Estimated fair value | $ 6,348,590 | $ 3,518,626
Other Investments [Member] |  |
Cost | 4,149,381 | 2,149,381
Estimated fair value | 6,348,590 | 3,518,626
Gross gains | 2,199,209 | 1,369,245
Hedge Fund [Member] |  |
Cost | 3,999,381 | 1,999,381
Estimated fair value | 6,198,590 | 3,368,626
Gross gains | 2,199,209 | 1,369,245
Real Estate Limited Partnership [Member] |  |
Cost | 150,000 | 150,000
Estimated fair value | 150,000 | 150,000
Gross gains | 0 | 0
Equity Securities [Member] |  |
Cost | 32,651,343 | 32,571,166
Estimated fair value | 35,430,803 | 34,413,313
Gross gains | 3,018,393 | 2,673,789
Gross losses | 238,933 | 831,642
Preferred Stock [Member] |  |
Cost | 19,827,370 | 18,097,942
Estimated fair value | 20,814,004 | 18,524,277
Gross gains | 1,207,776 | 853,277
Gross losses | 221,142 | 426,942
Common stock, mutual fund and exchange traded funds [Member] |  |
Cost | 12,823,973 | 14,473,224
Estimated fair value | 14,616,799 | 15,889,036
Gross gains | 1,810,617 | 1,820,512
Gross losses | $ 17,791 | $ 404,700

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