CONSOLIDATED STATEMENTS OF SHAREHOLDERS' DEFICIT - USD ($)	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Treasury Stock [Member]	InterGroup Shareholders' Deficit [Member]	Noncontrolling Interest [Member]	Total
Beginning Balance at Jun. 30, 2017	$ 33,000	$ 10,346,000	$ (45,298,000)	$ (12,626,000)	$ (47,545,000)	$ (27,773,000)	$ (75,318,000)
Beginning Balance (in shares) at Jun. 30, 2017	3,395,616
Net income	$ 0	0	4,081,000	0	4,081,000	1,732,000	5,813,000
Stock options expense	0	184,000	0	0	184,000	0	184,000
Investment in Santa Fe	0	(8,000)	0	0	(8,000)	4,000	(4,000)
Purchase of treasury stock	0	0	0	(642,000)	(642,000)	0	(642,000)
Ending Balance at Jun. 30, 2018	$ 33,000	10,522,000	(41,217,000)	(13,268,000)	(43,930,000)	(26,037,000)	(69,967,000)
Ending Balance (in shares) at Jun. 30, 2018	3,395,616
Net income	$ 0	0	1,457,000	0	1,457,000	1,357,000	2,814,000
Issuance of stock for compensation	$ 0	0	0	0	0	0	0
Issuance of stock for compensation (in shares)	9,366
Stock options expense	$ 0	76,000	0	0	76,000	0	76,000
Investment in Santa Fe	0	(256,000)	0	0	(256,000)	133,000	(123,000)
Investment in Justice	0	0	0	0	0	(150,000)	(150,000)
Purchase of treasury stock	0	0	0	(1,079,000)	(1,079,000)	0	(1,079,000)
Ending Balance at Jun. 30, 2019	$ 33,000	$ 10,342,000	$ (39,760,000)	$ (14,347,000)	$ (43,732,000)	$ (24,697,000)	$ (68,429,000)
Ending Balance (in shares) at Jun. 30, 2019	3,404,982