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INVESTMENTS (Details) - Components of Company's Trading and Available-for-Sale Investments - USD ($) $ in Thousands | Jun. 30, 2017 | Jun. 30, 2016
--- | --- | ---
Trading securities1 |  |  |  |
Trading, cost | [1] | $ 10,648 |  | $ 11,048
Trading, gross unrealized gain | [1] | 50 |  | 124
Trading, gross unrealized (losses) | [1] | (978) |  | (1,068)
Trading, fair value | [1],[2] | 9,720 |  | 10,104
Available-for-sale securities2 |  |  |  |
Available-for-sale, cost | [3],[4] | 2,940 |  | 3,436
Available-for-sale, gross unrealized gain | [3],[4] | 466 |  | 151
Available-for-sale, gross unrealized (losses) | [3],[4] | (5) |  | (106)
Available-for-sale, fair value | [3],[4] | 3,401 |  | 3,481
Fixed Income Securities [Member] |  |  |  |
Trading securities1 |  |  |  |
Trading, cost | [1] | 8,884 |  | 9,284
Trading, gross unrealized gain | [1] | 50 |  | 124
Trading, gross unrealized (losses) | [1] | (7) |  | 0
Trading, fair value | [1] | 8,927 |  | 9,408
Available-for-sale securities2 |  |  |  |
Available-for-sale, cost | [4] | 1,148 |  | 1,226
Available-for-sale, gross unrealized gain | [4] | 1 |  | 18
Available-for-sale, gross unrealized (losses) | [4] | (5) |  | (23)
Available-for-sale, fair value | [4] | 1,144 |  | 1,221
Mutual Funds, Domestic Equity [Member] |  |  |  |
Trading securities1 |  |  |  |
Trading, cost | [1] | 535 |  | 535
Trading, gross unrealized gain | [1] | 0 |  | 0
Trading, gross unrealized (losses) | [1] | (157) |  | (197)
Trading, fair value | [1] | 378 |  | 338
Available-for-sale securities2 |  |  |  |
Available-for-sale, cost | [4] | 394 |  | 394
Available-for-sale, gross unrealized gain | [4] | 12 |  | 2
Available-for-sale, gross unrealized (losses) | [4] | 0 |  | 0
Available-for-sale, fair value | [4] | 406 |  | 396
Other Securities [Member] |  |  |  |
Trading securities1 |  |  |  |
Trading, cost | [1] | 45 |  | 45
Trading, gross unrealized gain | [1] | 0 |  | 0
Trading, gross unrealized (losses) | [1] | (45) |  | (45)
Trading, fair value | [1] | 0 |  | 0
Available-for-sale securities2 |  |  |  |
Available-for-sale, cost | [4] | 56 |  | 56
Available-for-sale, gross unrealized gain | [4] | 10 |  | 8
Available-for-sale, gross unrealized (losses) | [4] | 0 |  | 0
Available-for-sale, fair value | [4] | 66 |  | 64
Offshore Fund [Member] |  |  |  |
Trading securities1 |  |  |  |
Trading, cost | [1] | 1,184 |  | 1,184
Trading, gross unrealized gain | [1] | 0 |  | 0
Trading, gross unrealized (losses) | [1] | (769) |  | (826)
Trading, fair value | [1] | 415 |  | 358
Common Stock - Domestic [Member] |  |  |  |
Available-for-sale securities2 |  |  |  |
Available-for-sale, cost | [4] | 109 |  | 109
Available-for-sale, gross unrealized gain | [4] | 4 |  | 21
Available-for-sale, gross unrealized (losses) | [4] | 0 |  | 0
Available-for-sale, fair value | [4] | 113 |  | 130
Common Stock - International [Member] |  |  |  |
Available-for-sale securities2 |  |  |  |
Available-for-sale, cost | [4] | 191 |  | 613
Available-for-sale, gross unrealized gain | [4] | 12 |  | 16
Available-for-sale, gross unrealized (losses) | [4] | 0 |  | (83)
Available-for-sale, fair value | [4] | 203 |  | 546
Corporate Debt Securities [Member] |  |  |  |
Available-for-sale securities2 |  |  |  |
Available-for-sale, cost | [4] | 1,042 | [5] | 1,038
Available-for-sale, gross unrealized gain | [4] | 427 | [5] | 86
Available-for-sale, gross unrealized (losses) | [4] | 0 | [5] | 0
Available-for-sale, fair value | [4] | $ 1,469 | [5] | $ 1,124
[1] | Unrealized and realized gains and losses on trading securities are included in earnings in the statement of operations.
[2] | In accordance with Subtopic 820-10, certain investments that are measured at fair value using the net asset value per share (or its equivalent) practical expedient have not been classified in the fair value hierarchy. The fair value amounts presented in this table are intended to permit reconciliation of the fair value hierarchy to the amounts presented in the Consolidated Balance Sheets.
[3] | Net unrealized gains (losses) on available-for-sale securities gross and net of tax as of June 30, 2017, are $461 and $461, respectively, and as of June 30, 2016, are $45 and $45, respectively.
[4] | 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.
[5] | Corporate debt matures in 2024.

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