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INVESTMENTS (Details) - Components of Company's Trading and Available-for-Sale Investments - USD ($)
$ in Thousands
Dec. 31, 2015
Jun. 30, 2015
Trading securities1    
Trading, cost [1] $ 14,555 $ 16,491
Trading, gross unrealized gain [1] 79 68
Trading, gross unrealized (loss) [1] (1,063) (919)
Trading securities, at fair value [1] 13,571 15,640
Available-for-sale securities2    
Available -for-sale, cost [2],[3] 3,902 4,602
Available -for-sale, gross unrealized gain [2],[3] 84 635
Available -for-sale, gross unrealized (loss) [2],[3] (338) (974)
Available -for-sale, fair value [2],[3] 3,648 4,263
Held-to-maturity securities    
Held-to-maturity securities, cost 750  
Held-to-maturity securities, gross unrealized gain 0  
Held-to-maturity securities, gross unrealized (loss) 0  
Held-to-maturity securities, fair value 750  
Offshore Fund [Member]    
Trading securities1    
Trading, cost [1] 1,184 1,184
Trading, gross unrealized gain [1] 0 0
Trading, gross unrealized (loss) [1] (836) (703)
Trading securities, at fair value [1] 348 481
Fixed Income Securities [Member]    
Trading securities1    
Trading, cost [1] 12,790 14,691
Trading, gross unrealized gain [1] 79 68
Trading, gross unrealized (loss) [1] (1) (5)
Trading securities, at fair value [1] 12,868 14,754
Available-for-sale securities2    
Available -for-sale, cost [3] 1,229 1,227
Available -for-sale, gross unrealized gain [3] 14 9
Available -for-sale, gross unrealized (loss) [3] (37) (22)
Available -for-sale, fair value [3] 1,206 1,214
Mutual Funds, Domestic Equity [Member]    
Trading securities1    
Trading, cost [1] 535 535
Trading, gross unrealized gain [1] 0 0
Trading, gross unrealized (loss) [1] (180) (130)
Trading securities, at fair value [1] 355 405
Available-for-sale securities2    
Available -for-sale, cost [3] 394 543
Available -for-sale, gross unrealized gain [3] 0 0
Available -for-sale, gross unrealized (loss) [3] 0 (80)
Available -for-sale, fair value [3] 394 463
Other Securities [Member]    
Trading securities1    
Trading, cost [1] 46 81
Trading, gross unrealized gain [1] 0 0
Trading, gross unrealized (loss) [1] (46) (81)
Trading securities, at fair value [1] 0 0
Available-for-sale securities2    
Available -for-sale, cost [3] 162 169
Available -for-sale, gross unrealized gain [3] 0 1
Available -for-sale, gross unrealized (loss) [3] (7) (7)
Available -for-sale, fair value [3] 155 163
Common Stock - Domestic [Member]    
Available-for-sale securities2    
Available -for-sale, cost [3] 109 535
Available -for-sale, gross unrealized gain [3] 0 316
Available -for-sale, gross unrealized (loss) [3] (5) (9)
Available -for-sale, fair value [3] 104 842
Common Stock - International [Member]    
Available-for-sale securities2    
Available -for-sale, cost [3] 615 695
Available -for-sale, gross unrealized gain [3] 70 309
Available -for-sale, gross unrealized (loss) [3] (39) (39)
Available -for-sale, fair value [3] 646 965
Corporate Debt Securities [Member]    
Available-for-sale securities2    
Available -for-sale, cost [3] 1,393 1,433
Available -for-sale, gross unrealized gain [3] 0 0
Available -for-sale, gross unrealized (loss) [3] (250) (817)
Available -for-sale, fair value [3] 1,143 $ 616
Held-to-maturity securities    
Held-to-maturity securities, cost 750  
Held-to-maturity securities, gross unrealized gain 0  
Held-to-maturity securities, gross unrealized (loss) 0  
Held-to-maturity securities, fair value $ 750  
[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 December 31, 2015, are $(254) and $(254), 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 as a separate component of shareholders' equity until realized.