Liquidity (Details Narrative) - USD ($)										1 Months Ended		3 Months Ended		9 Months Ended
	Feb. 03, 2021	Nov. 23, 2020	Aug. 28, 2020	Aug. 28, 2020	Apr. 30, 2020	Apr. 27, 2020	Apr. 09, 2020	Jul. 31, 2018	Jul. 02, 2014	Mar. 31, 2021	Jun. 30, 2020	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021	Mar. 31, 2020	Dec. 16, 2020	Aug. 19, 2020
Net cash (used in) provided by operating activities														$ (24,314,000)	$ 2,271,000
Cash and cash equivalents										$ 8,880,000	$ 14,163,000	$ 8,880,000		8,880,000
Investment in marketable securities										36,996,000	6,178,000	36,996,000		36,996,000
Due to securities broker										9,021,000	1,576,000	9,021,000		9,021,000
Obligations for securities sold										5,261,000	294,000	5,261,000		5,261,000
Cash, cash equivalents, and restricted cash										16,523,000	28,286,000	16,523,000		$ 16,523,000
Property improvement plan, discription														However, Hilton has confirmed that it will not require a PIP for our Hotel until relicensing which shall occur at the earlier of (i) January 2030, which is six years after the maturity date of our current senior and mezzanine loans, or (ii) upon the sale of our Hotel.
Proceeds from loan					$ 6,814,000						1,144,000	5,384,000
Gain on Extinguishment of Debt												453,000		$ 453,000
Agreement description														Justice entered into a Hotel management agreement ("HMA") with Interstate Management Company, LLC ("Interstate") to manage the Hotel, along with its five-level parking garage, with an effective takeover date of February 3, 2017. The term of the management agreement is for an initial period of ten years commencing on the takeover date and automatically renews for successive one (1) year periods, to not exceed five years in the aggregate, subject to certain conditions. Under the terms on the HMA, base management fee payable to Interstate shall be one and seven-tenths percent (1.70%) of total Hotel revenue. On October 25, 2019, Interstate merged with Aimbridge Hospitality, North America's largest independent hotel management firm. With the completion of the merger, the newly combined company will be positioned under the Aimbridge Hospitality name in the Americas.
Repayment of InterGroup's RLOC														$ 2,985,000
Increased loan amount										91,130,000	92,292,000	91,130,000		91,130,000
Current loan										5,950,000		5,950,000		5,950,000
Santa Fe [Member]
Sale of properties				$ 15,650,000
Gain on sale of property				12,043,000
Proceeds from sale of property				12,163,000
InterGroup [Member]
Debt interest rate									12.00%
Debt maturity date								Jul. 01, 2021	Jul. 01, 2021
Increased loan amount										595,000	3,000,000	595,000		595,000
CIBC Bank USA [Member]
Revolving line of credit amount										8,000,000		8,000,000		8,000,000
Line of credit, available to be drawn										$ 8,000,000		$ 8,000,000		$ 8,000,000
CARES Act [Member] | CIBC Bank [Member]
Proceeds from loan	$ 2,000,000					$ 453,000	$ 4,719,000
Debt interest rate	1.00%						1.00%			1.00%		1.00%		1.00%
Debt maturity date	Feb. 03, 2026						Apr. 09, 2022			Apr. 27, 2022
Agreement description	All payments of principal and interest are deferred until either: (a) if the SBA approves the forgiveness amount, the date the forgiveness amount is remitted by the SBA to CIBC; or (b) if Justice does not apply for forgiveness within 10 months after the last day of the covered period specified in the loan agreement or if the forgiveness amount is not approved, the date that is 10 months after the last day of the covered period. The loan may be forgiven if the funds are used for payroll and other qualified expenses. All unforgiven portion of the principal and accrued interest will be due at maturity.
Unused portion loan										$ 350,000		$ 350,000		$ 350,000
CARES Act [Member] | CIBC Bank [Member] | InterGroup [Member]
Qualified expenses										453,000		453,000		453,000
Gain on Extinguishment of Debt														453,000
Contribution Agreement [Member]
Repayment of InterGroup's RLOC			$ 2,985,000
Contribution Agreement [Member] | Santa Fe [Member]
Proceeds from loan			$ 12,163,000
Gain on sale of property		$ 901,000
Contribution Agreement [Member] | InterGroup [Member]
Repayment of InterGroup's RLOC				2,985,000
Payment from the sale				$ 662,000
Loan Modification Agreement [Member] | Justice [Member]
Loan advanced										2,950,000		2,950,000		2,950,000
Loan Modification Agreement [Member] | Justice [Member] | Maximum [Member]
Increased loan amount																$ 10,000,000
Property Improvement Plan [Member]
Deposits																	$ 2,379,000
Hotel Senior Lender [Member]
Cash, cash equivalents, and restricted cash										$ 5,785,000	10,666,000	$ 5,785,000		$ 5,785,000
Hotel Senior Lender [Member] | Property Improvement Plan [Member]
Cash, cash equivalents, and restricted cash											$ 2,432,000
Sole General Partner [Member]
Voting interest										97.50%		97.50%		97.50%