INVESTMENT IN MARKETABLE SECURITIES (Details Textual) - USD ($)	6 Months Ended	12 Months Ended
Dec. 31, 2018	Jun. 30, 2018
Debt and Equity Securities, FV-NI [Line Items]
Trading Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss	$ 8,785,000	$ 8,433,000
Percentage Of Investment Marketable Securities	20.00%	16.00%
Unrealized Gain (Loss) on Investments	$ 8,709,000	$ 8,369,000

It represents Percentage of Investment Marketable Securities.

No definition available.

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- Definition

Amount of unrealized loss on investments in trading securities that have been in a loss position for twelve months or longer.

+ References

No definition available.

+ Details

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- Definition

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.

+ References

No definition available.

+ Details

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- Definition

The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of investments, not including unrealized gains or losses on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity, held at each balance sheet date and included in earnings for the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585

+ Details

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