INVESTMENT IN MARKETABLE SECURITIES (Details Textual) - USD ($)	3 Months Ended	12 Months Ended
Sep. 30, 2017	Jun. 30, 2017
Schedule of Trading Securities and Other Trading Assets [Line Items]
Trading Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss	$ 7,132,000	$ 6,783,000
Percentage Of Investment Marketable Securities	42.00%	40.00%

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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