COVID-19 Pandemic (Details) - USD ($)	1 Months Ended	3 Months Ended	4 Months Ended	9 Months Ended
	May 30, 2020	Jul. 31, 2020	Jul. 31, 2020	Jul. 31, 2020	Jun. 30, 2020	Jul. 31, 2019
Increase in expense for reserve of uncollectible rents		$ 100,000		$ 600,000
Increase in expense for reserve of uncollectible rents with consolidated impact		100,000		400,000
Security deposit as accounts receivables		1,590,000	$ 1,590,000	1,590,000		$ 2,258,000
Uncollected rents		300,000	300,000	300,000
Straight-line rent receivable		400,000	400,000	400,000
Unamortized leasing commissions		200,000	200,000	200,000
Increase in expense with consolidated impact to net income (loss)		500,000		900,000
Deferred payments of loan					$ 722,000
Special committee fees		5,100,000
Cash balance		31,000,000	31,000,000	31,000,000
Available line of credit		13,000,000	$ 13,000,000	13,000,000
Two Retired Trustees [Member]
Deferred compensation paid		5,000,000
Executive officers and members of Board of Trustees [Member]
Percentage reduction in fees, salaries and retainers payable	30.00%
Commercial Properties [Member]
Average cash realization percentage			68.00%
Security deposit as accounts receivables		$ 462,000	$ 462,000	$ 462,000