FAIR VALUE MEASUREMENTS (Details) - USD ($)	Sep. 30, 2016	Jun. 30, 2016
Assets:
Investment in marketable securities	$ 19,310,000	$ 14,282,000
Fair Value, Measurements, Recurring [Member]
Assets:
Investment in marketable securities	19,310,000	14,282,000
Basic Materials [Member] | Fair Value, Measurements, Recurring [Member]
Assets:
Investment in marketable securities	9,824,000	9,273,000
Consumer Goods [Member] | Fair Value, Measurements, Recurring [Member]
Assets:
Investment in marketable securities	2,013,000
Energy [Member] | Fair Value, Measurements, Recurring [Member]
Assets:
Investment in marketable securities	1,601,000	1,907,000
Financial Services [Member] | Fair Value, Measurements, Recurring [Member]
Assets:
Investment in marketable securities	1,485,000	1,021,000
Corporae Bonds [Member] | Fair Value, Measurements, Recurring [Member]
Assets:
Investment in marketable securities	1,217,000
Other [Member] | Fair Value, Measurements, Recurring [Member]
Assets:
Investment in marketable securities	$ 3,170,000	$ 2,081,000