FAIR VALUE MEASUREMENTS (Tables)

9 Months Ended

Mar. 31, 2016

Fair Value Disclosures [Abstract]

Fair Value, Assets Measured on Recurring Basis [Table Text Block]

The assets measured at fair value on a recurring basis are as follows:

As of March 31, 2016
Assets:	Level 1		Level 3		Total
Investment in marketable securities:
Basic materials	$	10,018,000	$	-	$	10,018,000
Other		3,345,000		-		3,345,000
		13,363,000		-		13,363,000

As of June 30, 2015
Assets:	Level 1		Level 3		Total
Other investments - warrants	$	-	$	104,000	$	104,000
Investment in marketable securities:
Basic materials		2,761,000		-		2,761,000
Other		3,066,000		-		3,066,000
		5,827,000		-		5,827,000
	$	5,827,000	$	104,000	$	5,931,000

Fair Value Measurements, Nonrecurring [Table Text Block]

The following table shows the fair value hierarchy for these assets measured at fair value on a non-recurring basis as follows:

					Net loss for the nine months
Assets	Level 3		March 31, 2016		ended March 31, 2016
Other non-marketable investments	$	1,155,000	$	1,155,000	$	(547,000)

					Net loss for the nine months
Assets	Level 3		June 30, 2015		ended March 31, 2015
Other non-marketable investments	$	14,978,000	$	14,978,000	$	(400,000)