INVESTMENTS (Details)		3 Months Ended
		Sep. 30, 2016 USD ($)	Sep. 30, 2015 USD ($)	Jun. 30, 2016 USD ($)
INVESTMENTS (Details) [Line Items]
Fair value of investments held		$ 14,361,000		$ 13,585,000
Cost basis of investments held		$ 14,500,000
Market value of investments to Company's total assets		53.00%
Other investments		$ 2,683,000		1,924,000
Available-for-sale, net unrealized gain (loss), gross		737,000	$ 45,000
Available-for-sale, net unrealized gain (loss), net of tax		737,000	45,000
Other-than-temporary impairments		$ 16,000	$ 60,000
Percentage of Financial Assets Derived From Level 1 Inputs Measured at Fair Value		89.00%
Percentage of Financial Assets Derived From Level 2 Inputs Measured at Fair Value		11.00%
Available-for-sale securities, fair value	[1],[2]	$ 4,157,000		3,481,000
Corporate Debt Securities [Member]
INVESTMENTS (Details) [Line Items]
Available-for-sale securities, fair value	[2]	1,556,000		1,124,000
U.S. Global Investors Funds [Member]
INVESTMENTS (Details) [Line Items]
Fair value of investments held		11,200,000
Offshore Fund [Member]
INVESTMENTS (Details) [Line Items]
Fair value of investments held		448,000
Offshore Fund [Member] | Trading Securities [Member]
INVESTMENTS (Details) [Line Items]
Fair value of investments held		$ 448,000		$ 358,000
Minimum redmption notice		45 days
Impaired Securities [Member]
INVESTMENTS (Details) [Line Items]
Number of positions, subject to impairment loss		2	3
Available-for-Sale Securities, Combined Cost Basis of Impaired Securities		$ 98,000	$ 49,000
Available-for-Sale Securities, Combined Fair Value of Impaired Securities		$ 82,000	12,000
Impaired Securities, Net Present Value of Estimated Cash Flows [Member] | Corporate Debt Securities [Member]
INVESTMENTS (Details) [Line Items]
Available-for-Sale Securities, Combined Cost Basis of Impaired Securities			970,000
Available-for-Sale Securities, Combined Fair Value of Impaired Securities			$ 947,000

[1] Net unrealized gains (losses) on available-for-sale securities gross and net of tax as of September 30, 2016, are $737 and $737, respectively, and as of June 30, 2016, are $45 and $45, respectively.

[2] Unrealized gains and losses on available-for-sale securities are excluded from earnings and recorded in other comprehensive income as a separate component of shareholders' equity until realized.