OTHER INVESTMENTS (Details Textual) - USD ($)		12 Months Ended
	Mar. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2017	Sep. 30, 2015
Other Investment [Line Items]
Other Investments		$ 4,940,403	$ 5,585,666
Company committed to fund approximately as required by agreements with the investees		653,000
Proceeds from Sale and Maturity of Other Investments		$ 749,782	2,058,928
Equity Method Investment, Ownership Percentage		49.00%
Company Made Contributions To Other Investments Of Approximately		$ 414,000	1,000,000
Received Distributions From Investments		750,000	2,100,000
Investment Income, Dividend		221,000	221,000
Impairment of Other Investments			$ 0
Small Business Administration [Member]
Other Investment [Line Items]
Other Investments				$ 300,000
Impairment of Other Investments		232,000
Income from Other Investments		68,000
Global Fund Investment Relating To Oil Exploration And Production [Member]
Other Investment [Line Items]
Other Investments		2,000,000,000
Company committed to fund approximately as required by agreements with the investees					$ 500,000
Impairment of Other Investments		175,000
Income from Other Investments		658,000
Investments After Other Than Temporary Impairment Adjustments		277,000
Atlanta [Member]
Other Investment [Line Items]
Amount received from a partenership	$ 123,000
Other Investments [Member]
Other Investment [Line Items]
Impairment of Other Investments		407,000
Other Investments [Member] | Global Fund Investment Relating To Oil Exploration And Production [Member]
Other Investment [Line Items]
Income from Other Investments		206,000
TGIF Texas Inc [Member]
Other Investment [Line Items]
Equity Method Investment, Ownership Percentage			49.00%
Real Estate Private Lending Fund [Member]
Other Investment [Line Items]
Proceeds from Sale and Maturity of Other Investments		749,000
Multifamily Residential Property [Member]
Other Investment [Line Items]
Gain (Loss) on Sale of Other Investments			$ 429,000
Multifamily Residential Property [Member] | Atlanta [Member]
Other Investment [Line Items]
Gain losses on sales of investment real estate		123,000	109,000
Stock Fund [Member]
Other Investment [Line Items]
Gain (Loss) on Sale of Other Investments			$ 66,000
Distributions from a equity fund in excess of carrying value		43,000
Collateralized Mortgage Entity [Member]
Other Investment [Line Items]
Investment Company, Dividend Distribution		$ 65,000
Percentage of preferred returns		8.00%
Collateralized Mortgage Entity [Member] | Maximum [Member]
Other Investment [Line Items]
Investment Company, Dividend Distribution		$ 34,000
Collateralized Mortgage Entity [Member] | Minimum [Member]
Other Investment [Line Items]
Investment Company, Dividend Distribution		$ 31,000