CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
CASH FLOWS FROM OPERATING ACTIVITIES:
Net (loss) income attributable to the Company	$ (909,859)	$ 337,155
Adjustments to reconcile net (loss) income attributable to the Company to net cash used in operating activities:
Depreciation and amortization expense	11,548	11,548
Stock compensation expense	0	8,880
Net income from other investments, excluding impairment losses	(240,163)	(654,239)
Other than temporary impairment loss from other investments	315,000	0
Equity gain from operations of residential real estate partnership	0	(3,225)
Net losses (gains) from investments in marketable securities	266,200	(252,747)
Net (loss) gain attributable to non-controlling interest	(11,439)	9,308
Deferred income tax (benefit) expense	(29,158)	15,450
Changes in assets and liabilities:
Other assets and other receivables	(86,781)	(7,616)
Accounts payable, accrued expenses and other liabilities	(310,877)	(1,785)
Total adjustments	(85,670)	(874,426)
Net cash used in operating activities	(995,529)	(537,271)
CASH FLOWS FROM INVESTING ACTIVITIES:
Net proceeds from sales and redemptions of securities	1,212,702	1,096,670
Investments in marketable securities	(1,060,453)	(959,737)
Distribution from investment in residential real estate partnership, Orlando, FL	0	6,187
Contributions to investment residential real estate partnership, Fort Myers, FL	0	(3,000,000)
Distributions from other investments	597,668	1,435,879
Contributions to other investments	(227,268)	(919,613)
Proceeds from collections of mortgage loans and notes receivables	1,200,000	0
Distribution from affiliate	220,899	220,899
Purchases and improvements of properties	0	(66,162)
Net cash provided by (used in) investing activities	1,943,548	(2,185,877)
CASH FLOWS FROM FINANCING ACTIVITIES:
Margin borrowings	(8,008,167)	68,754
Dividend paid	(506,646)	(506,646)
Repayment of note payable to affiliate	(350,000)	(340,000)
Purchase of treasury shares	(66,392)	0
Net cash used in financing activities	(8,931,205)	(777,892)
Net decrease in cash and cash equivalents	(7,983,186)	(3,501,040)
Cash and cash equivalents at beginning of the period	15,382,596	19,738,174
Cash and cash equivalents at end of the period	7,399,410	16,237,134
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Cash paid during the period for interest	25,000	43,000
NON-CASH INVESTING AND FINANCING ACTIVITIES:
Retirement of treasury stock during the period	$ 0	$ 340,281