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Mortgages Payable (Details Narrative) - USD ($)	1 Months Ended
	Mar. 31, 2020	Nov. 30, 2019
Bond St. building, Brooklyn, NY [Member]
Debt Instrument [Line Items]
Amount outstanding		$ 5,400,000
Bond St. building, Brooklyn, NY [Member] | Maximum [Member]
Debt Instrument [Line Items]
Interest rate, percent		4.375%
Fishkill building [Member]
Debt Instrument [Line Items]
Interest rate, percent	3.98%
Debt instrument face amount	$ 4,000,000
Term of loan	20 years
Maturity period of loan	5 years

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