INCOME TAXES (Details 2) - USD ($)	Jun. 30, 2018	Jun. 30, 2017
Deferred tax assets:
Net operating loss carryforwards	$ 7,413,000	$ 14,302,000
Capital loss carryforwards	1,132,000	1,122,000
Investment impairment reserve	1,276,000	1,778,000
Accruals and reserves	766,000	1,182,000
Unrealized loss on marketable securities	0	284,000
Tax credits	733,000	516,000
Other	190,000	289,000
Valuation allowance	(2,610,000)	(3,388,000)
Deferred Tax Assets, Net of Valuation Allowance, Total	8,900,000	16,085,000
Deferred tax assets (liabilities):
Equity earnings	(2,564,000)	(2,624,000)
Deferred gains on real estate sale and depreciation	(5,638,000)	(8,816,000)
Unrealized gains on marketable securities	(765,000)	0
State taxes	(178,000)	(538,000)
Deferred Tax Liabilities, Gross	(9,145,000)	(11,978,000)
Net deferred tax (liability) asset		$ 4,107,000
Net deferred tax (liability) asset	$ (245,000)