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Investments (Details 2) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Estimated fair value	$ 3,518,626	$ 2,584,913
Other Investments [Member]
Cost	1,999,381	1,999,381
Gross gains	1,519,245	585,532
Estimated fair value	3,518,626	2,584,913
Hedge Fund [Member]
Cost	1,999,381	1,999,381
Gross gains	1,519,245	585,532
Estimated fair value	3,518,626	2,584,913
Equity Securities [Member]
Cost	32,571,166	22,624,668
Gross gains	2,673,789	2,322,135
Gross losses	(831,642)	(285,421)
Estimated fair value	34,413,313	24,661,382
Preferred Stock [Member]
Cost	18,097,942	8,374,424
Gross gains	853,277	339,257
Gross losses	(426,942)	(11,794)
Estimated fair value	18,524,277	8,701,887
Common stock, mutual fund and exchange traded funds [Member]
Cost	14,473,224	14,250,244
Gross gains	1,820,512	1,982,878
Gross losses	(404,700)	(273,627)
Estimated fair value	$ 15,889,036	$ 15,959,495

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.1(f,g))
-URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.12)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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