CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income attributable to the Company	$ 5,116,653	$ 31,353
Adjustments to reconcile net income attributable to the Company to net cash used in operating activities:
Depreciation expense	7,699	7,699
Net income from other investments, excluding impairment losses	(290,408)	(348,205)
Equity (gain) on sale of residential real estate partnership	(5,473,887)	0
Equity loss from operations of residential real estate partnership	143,890	152,517
Net gains from investments in marketable securities	(24,462)	(230,653)
Net gain attributable to non-controlling interest	10,913	9,931
Deferred income tax expense	33,579	0
Changes in assets and liabilities:
Other assets and other receivables	5,026	81,914
Accounts payable, accrued expenses and other liabilities	(548,357)	(38,379)
Total adjustments	(6,136,007)	(365,176)
Net cash used in operating activities	(1,019,354)	(333,823)
CASH FLOWS FROM INVESTING ACTIVITIES:
Net proceeds from sales and redemptions of securities	1,035,099	2,816,257
Investments in marketable securities	(1,351,425)	(2,631,149)
Distribution from investment in residential real estate partnership	7,525,000	130,000
Distributions from other investments	1,338,178	762,823
Contributions to other investments	(667,646)	(1,003,553)
Proceeds from collections of mortgage loans and notes receivables	500,000	0
Distribution from affiliate	193,286	78,000
Purchases and improvements of properties	(19,797)	(12,311)
Net cash provided by investing activities	8,552,695	140,067
CASH FLOWS FROM FINANCING ACTIVITIES:
Margin borrowings	9,645,643	81,376
Dividend paid	(2,533,230)	(501,196)
Repayment of note payable to affiliate	(210,000)
Proceeds from stock options exercised	91,895
Net cash provided by (used in) financing activities	6,994,308	(419,820)
Net increase (decrease) in cash and cash equivalents	14,527,649	(613,576)
Cash and cash equivalents at beginning of the period	5,223,995	3,019,463
Cash and cash equivalents at end of the period	19,751,644	2,405,887
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Cash paid during the period for interest	49,000	32,000
Cash paid during the period for income taxes	$ 0	$ 3,000