ORGANIZATION, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, Sale of Investment Property and Property Held for Sale (Details) - USD ($)	3 Months Ended		6 Months Ended		12 Months Ended
	Apr. 30, 2022	Apr. 30, 2021	Apr. 30, 2022	Apr. 30, 2021	Oct. 31, 2021
Property Held for Sale [Abstract]
Gain/(Loss) on sale of properties			$ 768,000	$ 406,000
Revenues	$ 36,000,000	$ 32,926,000	71,555,000	67,203,000
Depreciation and amortization	(7,572,000)	(7,192,000)	(14,716,000)	(14,710,000)
Net Income	11,424,000	8,958,000	21,145,000	17,762,000
Disposal Group, Not Discontinued Operations [Member] | Chester, NJ [Member]
Property Held for Sale [Abstract]
Proceeds from sale of property held for sale					$ 1,960,000
Gain/(Loss) on sale of properties			(8,000)		$ (342,000)
Disposal Group, Not Discontinued Operations [Member] | Bloomfield, NJ [Member]
Property Held for Sale [Abstract]
Proceeds from sale of property held for sale	1,800,000		1,800,000
Gain/(Loss) on sale of properties	544,000		544,000
Disposal Group, Not Discontinued Operations [Member] | Unionville, CT [Member]
Property Held for Sale [Abstract]
Proceeds from sale of property held for sale	950,000		950,000
Gain/(Loss) on sale of properties	203,000		203,000
Disposal Group, Not Discontinued Operations [Member] | Chester, NJ, Bloomfield, NJ, Unionville, CT Member [Member]
Property Held for Sale [Abstract]
Revenues	8,000	52,000	46,000	98,000
Property operating expense	(9,000)	(21,000)	(27,000)	(37,000)
Depreciation and amortization	(2,000)	(26,000)	(14,000)	(53,000)
Net Income	$ (3,000)	$ 5,000	$ 5,000	$ 8,000