FAIR VALUE MEASUREMENTS (Details 1) - USD ($)	3 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Jun. 30, 2017
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Other non-marketable investments	$ 696,000		$ 696,000
Net loss	0	$ (10,000)
Other Investments [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Other non-marketable investments	$ 696,000		$ 696,000