COVID-19 Pandemic (Details) - USD ($)	3 Months Ended	9 Months Ended		12 Months Ended
	Jan. 31, 2021	Jul. 31, 2021	Jul. 31, 2020	Oct. 31, 2020
Aggregate lease termination fee	$ 260,000
Loss of base rent and additional rent		$ 400,000
Rental revenue deemed uncollectible	300,000	1,200,000
Security deposit as accounts receivables		1,343,000	$ 1,590,000
Rent abatements	34,000	135,000
Deferred payments of loan		1,013,000
Repayments of Loan		162,000		$ 162,000
Positive cash flow from operations		10,195,000	$ (3,000)
Cash balance		36,400,000
Available line of credit		13,000,000
FREIT [Member]
Aggregate lease termination fee	140,000
Loss of base rent and additional rent		200,000
Rental revenue deemed uncollectible	100,000	700,000
Rent abatements	$ 20,000	91,000
Commercial Properties [Member]
Security deposit as accounts receivables		$ 397,000