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INVESTMENTS (Details)	3 Months Ended		9 Months Ended
	Mar. 31, 2016 USD ($)	Mar. 31, 2015 USD ($)	Mar. 31, 2016 USD ($)	Mar. 31, 2015 USD ($)	Jun. 30, 2015 USD ($)
INVESTMENTS (Details) [Line Items]
Fair value of investments held	$ 17,100,000		$ 17,100,000
Cost basis of investments held	$ 17,900,000		$ 17,900,000
Value of Fair Value Investments to Company Assets	64.20%		64.20%
Held-to-maturity Securities	$ 750,000		$ 750,000
Other investments	2,025,000		2,025,000		$ 2,303,000
Available-for-sale, net unrealized gain (loss), gross	150,000		150,000		(339,000)
Available-for-sale, net unrealized gain (loss), net of tax	150,000		150,000		$ (339,000)
Other-than-temporary impairments	0	$ 105,000	259,000	$ 105,000
Cost-method Investments, Other than Temporary Impairment	0	$ 0	258,000	$ 0
U.S. Global Investors Funds [Member]
INVESTMENTS (Details) [Line Items]
Fair value of investments held	14,200,000		14,200,000
Offshore Fund [Member]
INVESTMENTS (Details) [Line Items]
Fair value of investments held	$ 345,000		$ 345,000
Impaired Securities [Member] | Corporate Securities [Member]
INVESTMENTS (Details) [Line Items]
Number of positions, subject to impairment loss			8	1
Available-for-Sale Securities, Combined Cost Basis of Impaired Securities			$ 702,000	$ 44,000
Available-for-Sale Securities, Combined Fair Value of Impaired Securities			$ 466,000	15,000
Number of Impaired Securities Held at Cost	3		3
Cost Method Investments, Original Cost	$ 1,100,000		$ 1,100,000
Cost Method Investments	$ 867,000		867,000
Impaired Securities, Net Present Value of Estimated Cash Flows [Member] | Corporate Securities [Member]
INVESTMENTS (Details) [Line Items]
Available-for-Sale Securities, Combined Cost Basis of Impaired Securities			970,000	310,000
Available-for-Sale Securities, Combined Fair Value of Impaired Securities			$ 947,000	$ 234,000

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- Definition

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Amount, after adjustment, of cost-method investment. Adjustments include, but are not limited to, dividends received in excess of earnings after date of investment that are considered a return of investment and other than temporary impairments.

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