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INVESTMENTS (Details) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2016 USD ($) | Jun. 30, 2016 USD ($) | Jun. 30, 2015 USD ($) | Jun. 30, 2014 USD ($)
INVESTMENTS (Details) [Line Items] |  |  |  |  |
Fair value of investments held |  |  | $ 13,585,000 | $ 19,903,000 |
Cost basis of investments held |  |  | $ 14,500,000 |  |
Market value of investments to Company's total assets |  |  | 51.60% |  |
Other investments |  |  | $ 1,924,000 | 2,303,000 |
Available-for-sale, net unrealized gain (loss), gross |  |  | 45,000 | (339,000) |
Available-for-sale, net unrealized gain (loss), net of tax |  |  | 45,000 | (339,000) |
Other-than-temporary impairments |  |  | 259,000 | 247,000 | $ 3,000
Available-for-sale, amortized cost | [1],[2] |  | 3,436,000 | 4,602,000 |
Available-for-sale securities, fair value | [1],[2] |  | 3,481,000 | 4,263,000 |
Cost-method Investments, Other than Temporary Impairment |  |  | $ 258,000 | $ 0 | $ 0
Percentage of Financial Assets Derived From Level 1 Inputs Measured at Fair Value |  |  | 97.00% | 94.00% |
Percentage of Financial Assets Derived From Level 2 Inputs Measured at Fair Value |  |  | 3.00% | 3.00% |
Percentage of Financial Assets Derived From Level 3 Inputs Measured at Fair Value |  |  |  | 3.00% |
Available-for-sale Securities, Noncurrent |  |  | $ 3,481,000 | $ 4,263,000 |
Corporate Debt Securities [Member] |  |  |  |  |
INVESTMENTS (Details) [Line Items] |  |  |  |  |
Available-for-sale, amortized cost | [2] |  | 1,038,000 | 1,433,000 |
Available-for-sale securities, fair value | [2] |  | 1,124,000 | 616,000 |
Available-for-sale Securities, Noncurrent |  |  | 1,100,000 | $ 314,000 |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers out of Level 3 |  |  | 212,000 |  |
Corporate Debt Securities [Member] | Available-for-sale Securities [Member] |  |  |  |  |
INVESTMENTS (Details) [Line Items] |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers out of Level 3 |  | $ 1,000,000 |  |  |
Other Securities [Member] |  |  |  |  |
INVESTMENTS (Details) [Line Items] |  |  |  |  |
Number of positions, subject to impairment loss |  |  |  | 2 |
Available-for-sale, amortized cost | [2] |  | 56,000 | $ 169,000 |
Available-for-sale securities, fair value | [2] |  | 64,000 | 163,000 |
Other Securities, One [Member] |  |  |  |  |
INVESTMENTS (Details) [Line Items] |  |  |  |  |
Available-for-sale, amortized cost |  |  |  | 310,000 |
Available-for-sale securities, fair value |  |  |  | 234,000 |
Other Securities, Two [Member] |  |  |  |  |
INVESTMENTS (Details) [Line Items] |  |  |  |  |
Available-for-sale, amortized cost |  |  |  | 1,100,000 |
Available-for-sale securities, fair value |  |  |  | 970,000 |
Fair Value, Inputs, Level 2 [Member] |  |  |  |  |
INVESTMENTS (Details) [Line Items] |  |  |  |  |
Fair value of investments held |  |  | 358,000 | 558,000 |
Available-for-sale securities, fair value |  |  | 0 | 77,000 |
Fair Value, Inputs, Level 2 [Member] | Corporate Debt Securities [Member] |  |  |  |  |
INVESTMENTS (Details) [Line Items] |  |  |  |  |
Available-for-sale securities, fair value |  |  | 0 | 77,000 |
Fair Value, Inputs, Level 2 [Member] | Corporate Debt Securities [Member] | Available-for-sale Securities [Member] |  |  |  |  |
INVESTMENTS (Details) [Line Items] |  |  |  |  |
Available-for-sale securities, fair value |  |  |  | 77,000 |
Fair Value, Inputs, Level 2 [Member] | Other Securities [Member] |  |  |  |  |
INVESTMENTS (Details) [Line Items] |  |  |  |  |
Available-for-sale securities, fair value |  |  | 0 | 0 |
Fair Value, Inputs, Level 2 [Member] | Offshore Fund [Member] | Trading Securities [Member] |  |  |  |  |
INVESTMENTS (Details) [Line Items] |  |  |  |  |
Fair value of investments held |  |  | $ 358,000 | 481,000 |
Minimum redmption notice |  |  | 45 days |  |
Fair Value, Inputs, Level 3 [Member] |  |  |  |  |
INVESTMENTS (Details) [Line Items] |  |  |  |  |
Fair value of investments held |  |  | $ 0 | 539,000 |
Available-for-sale securities, fair value |  |  | 0 | 539,000 |
Fair Value, Inputs, Level 3 [Member] | Corporate Debt Securities [Member] |  |  |  |  |
INVESTMENTS (Details) [Line Items] |  |  |  |  |
Available-for-sale securities, fair value |  |  | 0 | 539,000 |
Fair Value, Inputs, Level 3 [Member] | Other Securities [Member] |  |  |  |  |
INVESTMENTS (Details) [Line Items] |  |  |  |  |
Available-for-sale securities, fair value |  |  | $ 0 | 0 |
Fair Value, Inputs, Level 3 [Member] | Other Corporate Debt Securities [Member] |  |  |  |  |
INVESTMENTS (Details) [Line Items] |  |  |  |  |
Available-for-sale securities, fair value |  |  |  | $ 225,000 |
Impaired Securities [Member] |  |  |  |  |
INVESTMENTS (Details) [Line Items] |  |  |  |  |
Number of positions, subject to impairment loss |  |  | 8 |  |
Available-for-Sale Securities, Combined Cost Basis of Impaired Securities |  |  | $ 702,000 |  |
Available-for-Sale Securities, Combined Fair Value of Impaired Securities |  |  | $ 466,000 |  |
Number of Impaired Securities Held at Cost |  |  | 3 |  |
Cost Method Investments, Original Cost |  |  | $ 1,100,000 |  |
Cost Method Investments |  |  | 867,000 |  |
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 |  |
Impaired Securities, Net Present Value of Estimated Cash Flows [Member] | Corporate Debt Securities, One [Member] |  |  |  |  |
INVESTMENTS (Details) [Line Items] |  |  |  |  |
Number of positions, subject to impairment loss |  |  |  | 1 |
Available-for-sale, amortized cost |  |  |  | $ 44,000 |
Available-for-sale securities, fair value |  |  |  | $ 5,000 |
[1] | Net unrealized gains (losses) on available-for-sale securities gross and net of tax as of June 30, 2016, are $45 and $45, respectively, and as of June 30, 2015, are $(339) and $(339), respectively.
[2] | Unrealized gains and losses on available-for-sale securities are excluded from earnings and recorded in other comprehensive income (loss) as a separate component of shareholders' equity until realized.

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