Condensed Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($)	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income [Member]	Noncontrolling Interest [Member]	Total
Balance at Dec. 31, 2018	$ 3,296	$ 36,567,865	$ 69,708,901	$ 62,495	$ 734,153	$ 107,076,710
Common stock issued during year	7	246,527	0	0	0	246,534
Treasury shares acquired	(17)	(561,325)	0	0	0	(561,342)
Net income (loss) attributable to common shareholders	0	0	14,356,937	0	0	14,356,937
Unrealized holding income on securities net of noncontrolling interest and reclassification adjustment and taxes	0	0	0	6,995,207	0	6,995,207
Contributions	0	0	0	0	0	0
Distributions	0	0	0	0	(245,750)	(245,750)
Gain attributable to noncontrolling interest	0	0	0	0	261,513	261,513
Balance at Jun. 30, 2019	3,286	36,253,067	84,065,838	7,057,702	749,916	128,129,809
Balance at Mar. 31, 2019	3,297	36,585,277	81,353,780	3,949,134	642,136	122,533,624
Common stock issued during year	1	16,735	0	0	0	16,736
Treasury shares acquired	(12)	(348,945)	0	0	0	(348,957)
Net income (loss) attributable to common shareholders	0	0	2,712,058	0	0	2,712,058
Unrealized holding income on securities net of noncontrolling interest and reclassification adjustment and taxes	0	0	0	3,108,568	0	3,108,568
Contributions	0	0	0	0	0	0
Distributions	0	0	0	0	0	0
Gain attributable to noncontrolling interest	0	0	0	0	107,780	107,780
Balance at Jun. 30, 2019	3,286	36,253,067	84,065,838	7,057,702	749,916	128,129,809
Balance at Dec. 31, 2019	3,279	36,012,401	85,979,678	8,977,914	523,634	131,496,906	[1]
Common stock issued during year	7	218,282	0	0	0	218,289
Treasury shares acquired	(14)	(450,043)	0	0	0	(450,057)
Net income (loss) attributable to common shareholders	0	0	(3,266,941)	0	0	(3,266,941)
Unrealized holding income on securities net of noncontrolling interest and reclassification adjustment and taxes	0	0	0	6,107,196	0	6,107,196
Contributions	0	0	0	0	0	0
Distributions	0	0	0	0	0	0
Gain attributable to noncontrolling interest	0	0	0	0	65,754	65,754
Balance at Jun. 30, 2020	3,272	35,780,640	82,712,737	15,085,110	589,388	134,171,147
Balance at Mar. 31, 2020	3,276	35,903,350	71,000,617	9,832,206	555,874	117,295,323
Common stock issued during year	1	16,739	0	0	0	16,740
Treasury shares acquired	(5)	(139,449)	0	0	0	(139,454)
Net income (loss) attributable to common shareholders	0	0	11,712,120	0	0	11,712,120
Unrealized holding income on securities net of noncontrolling interest and reclassification adjustment and taxes	0	0	0	5,252,904	0	5,252,904
Contributions	0	0	0	0	0	0
Distributions	0	0	0	0	0	0
Gain attributable to noncontrolling interest	0	0	0	0	33,514	33,514
Balance at Jun. 30, 2020	$ 3,272	$ 35,780,640	$ 82,712,737	$ 15,085,110	$ 589,388	$ 134,171,147

[1] Balance sheet audited at December 31, 2019.