FAIR VALUE MEASUREMENTS (Details 1) - USD ($)	9 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Jun. 30, 2018
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Net loss	$ (98,000)	$ (200,000)
Other Investments [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Other non-marketable investments	612,000		$ 813,000
Other Investments [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Other non-marketable investments	$ 612,000		$ 813,000