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INVESTMENTS (Details) - Components of Company's Trading and Available-for-Sale Investments - USD ($)
$ in Thousands
Jun. 30, 2016
Jun. 30, 2015
Trading securities1    
Trading, cost [1] $ 11,048 $ 16,491
Trading, gross unrealized gain [1] 124 68
Trading, gross unrealized (losses) [1] (1,068) (919)
Trading, fair value [1] 10,104 15,640
Available-for-sale securities2    
Available-for-sale, cost [2],[3] 3,436 4,602
Available-for-sale, gross unrealized gain [2],[3] 151 635
Available-for-sale, gross unrealized (losses) [2],[3] (106) (974)
Available-for-sale, fair value [2],[3] 3,481 4,263
Offshore Fund [Member]    
Trading securities1    
Trading, cost [1] 1,184 1,184
Trading, gross unrealized gain [1] 0 0
Trading, gross unrealized (losses) [1] (826) (703)
Trading, fair value [1] 358 481
Fixed Income Securities [Member]    
Trading securities1    
Trading, cost [1] 9,284 14,691
Trading, gross unrealized gain [1] 124 68
Trading, gross unrealized (losses) [1] 0 (5)
Trading, fair value [1] 9,408 14,754
Available-for-sale securities2    
Available-for-sale, cost [3] 1,226 1,227
Available-for-sale, gross unrealized gain [3] 18 9
Available-for-sale, gross unrealized (losses) [3] (23) (22)
Available-for-sale, fair value [3] 1,221 1,214
Mutual Funds, Domestic Equity [Member]    
Trading securities1    
Trading, cost [1] 535 535
Trading, gross unrealized gain [1] 0 0
Trading, gross unrealized (losses) [1] (197) (130)
Trading, fair value [1] 338 405
Available-for-sale securities2    
Available-for-sale, cost [3] 394 543
Available-for-sale, gross unrealized gain [3] 2 0
Available-for-sale, gross unrealized (losses) [3] 0 (80)
Available-for-sale, fair value [3] 396 463
Other Securities [Member]    
Trading securities1    
Trading, cost [1] 45 81
Trading, gross unrealized gain [1] 0 0
Trading, gross unrealized (losses) [1] (45) (81)
Trading, fair value [1] 0 0
Available-for-sale securities2    
Available-for-sale, cost [3] 56 169
Available-for-sale, gross unrealized gain [3] 8 1
Available-for-sale, gross unrealized (losses) [3] 0 (7)
Available-for-sale, fair value [3] 64 163
Common Stock - Domestic [Member]    
Available-for-sale securities2    
Available-for-sale, cost [3] 109 535
Available-for-sale, gross unrealized gain [3] 21 316
Available-for-sale, gross unrealized (losses) [3] 0 (9)
Available-for-sale, fair value [3] 130 842
Common Stock - International [Member]    
Available-for-sale securities2    
Available-for-sale, cost [3] 613 695
Available-for-sale, gross unrealized gain [3] 16 309
Available-for-sale, gross unrealized (losses) [3] (83) (39)
Available-for-sale, fair value [3] 546 965
Corporate Debt Securities [Member]    
Available-for-sale securities2    
Available-for-sale, cost [3] 1,038 1,433
Available-for-sale, gross unrealized gain [3] 86 0
Available-for-sale, gross unrealized (losses) [3] 0 (817)
Available-for-sale, fair value [3] $ 1,124 $ 616
[1] Unrealized and realized gains and losses on trading securities are included in earnings in the statement of operations.
[2] 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.
[3] 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.