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INVESTMENTS (Details) - Fair Value, Assets Measured on Recurring Basis - USD ($)
$ in Thousands
Jun. 30, 2016
Jun. 30, 2015
Trading securities    
Trading securities, at fair value [1] $ 10,104 $ 15,640
Available-for-sale securities    
Total available-for-sale securities [2],[3] 3,481 4,263
Total Investments 13,585 19,903
Offshore Fund [Member]    
Trading securities    
Trading securities, at fair value [1] 358 481
Fixed Income Securities [Member]    
Trading securities    
Trading securities, at fair value [1] 9,408 14,754
Available-for-sale securities    
Total available-for-sale securities [3] 1,221 1,214
Mutual Funds, Domestic Equity [Member]    
Trading securities    
Trading securities, at fair value [1] 338 405
Available-for-sale securities    
Total available-for-sale securities [3] 396 463
Other Securities [Member]    
Trading securities    
Trading securities, at fair value [1] 0 0
Available-for-sale securities    
Total available-for-sale securities [3] 64 163
Common Stock - Domestic [Member]    
Available-for-sale securities    
Total available-for-sale securities [3] 130 842
Common Stock - International [Member]    
Available-for-sale securities    
Total available-for-sale securities [3] 546 965
Corporate Debt Securities [Member]    
Available-for-sale securities    
Total available-for-sale securities [3] 1,124 616
Fair Value, Inputs, Level 1 [Member]    
Trading securities    
Trading securities, at fair value 9,746 15,159
Available-for-sale securities    
Total available-for-sale securities 3,481 3,647
Total Investments 13,227 18,806
Fair Value, Inputs, Level 1 [Member] | Offshore Fund [Member]    
Trading securities    
Trading securities, at fair value 0 0
Fair Value, Inputs, Level 1 [Member] | Fixed Income Securities [Member]    
Trading securities    
Trading securities, at fair value 9,408 14,754
Available-for-sale securities    
Total available-for-sale securities 1,221 1,214
Fair Value, Inputs, Level 1 [Member] | Mutual Funds, Domestic Equity [Member]    
Trading securities    
Trading securities, at fair value 338 405
Available-for-sale securities    
Total available-for-sale securities 396 463
Fair Value, Inputs, Level 1 [Member] | Other Securities [Member]    
Trading securities    
Trading securities, at fair value 0 0
Available-for-sale securities    
Total available-for-sale securities 64 163
Fair Value, Inputs, Level 1 [Member] | Common Stock - Domestic [Member]    
Available-for-sale securities    
Total available-for-sale securities 130 842
Fair Value, Inputs, Level 1 [Member] | Common Stock - International [Member]    
Available-for-sale securities    
Total available-for-sale securities 546 965
Fair Value, Inputs, Level 1 [Member] | Corporate Debt Securities [Member]    
Available-for-sale securities    
Total available-for-sale securities 1,124 0
Fair Value, Inputs, Level 2 [Member]    
Trading securities    
Trading securities, at fair value 358 481
Available-for-sale securities    
Total available-for-sale securities 0 77
Total Investments 358 558
Fair Value, Inputs, Level 2 [Member] | Offshore Fund [Member]    
Trading securities    
Trading securities, at fair value 358 481
Fair Value, Inputs, Level 2 [Member] | Fixed Income Securities [Member]    
Trading securities    
Trading securities, at fair value 0 0
Available-for-sale securities    
Total available-for-sale securities 0 0
Fair Value, Inputs, Level 2 [Member] | Mutual Funds, Domestic Equity [Member]    
Trading securities    
Trading securities, at fair value 0 0
Available-for-sale securities    
Total available-for-sale securities 0 0
Fair Value, Inputs, Level 2 [Member] | Other Securities [Member]    
Trading securities    
Trading securities, at fair value 0 0
Available-for-sale securities    
Total available-for-sale securities 0 0
Fair Value, Inputs, Level 2 [Member] | Common Stock - Domestic [Member]    
Available-for-sale securities    
Total available-for-sale securities 0 0
Fair Value, Inputs, Level 2 [Member] | Common Stock - International [Member]    
Available-for-sale securities    
Total available-for-sale securities 0 0
Fair Value, Inputs, Level 2 [Member] | Corporate Debt Securities [Member]    
Available-for-sale securities    
Total available-for-sale securities 0 77
Fair Value, Inputs, Level 3 [Member]    
Trading securities    
Trading securities, at fair value 0 0
Available-for-sale securities    
Total available-for-sale securities 0 539
Total Investments 0 539
Fair Value, Inputs, Level 3 [Member] | Offshore Fund [Member]    
Trading securities    
Trading securities, at fair value 0 0
Fair Value, Inputs, Level 3 [Member] | Fixed Income Securities [Member]    
Trading securities    
Trading securities, at fair value 0 0
Available-for-sale securities    
Total available-for-sale securities 0 0
Fair Value, Inputs, Level 3 [Member] | Mutual Funds, Domestic Equity [Member]    
Trading securities    
Trading securities, at fair value 0 0
Available-for-sale securities    
Total available-for-sale securities 0 0
Fair Value, Inputs, Level 3 [Member] | Other Securities [Member]    
Trading securities    
Trading securities, at fair value 0 0
Available-for-sale securities    
Total available-for-sale securities 0 0
Fair Value, Inputs, Level 3 [Member] | Common Stock - Domestic [Member]    
Available-for-sale securities    
Total available-for-sale securities 0 0
Fair Value, Inputs, Level 3 [Member] | Common Stock - International [Member]    
Available-for-sale securities    
Total available-for-sale securities 0 0
Fair Value, Inputs, Level 3 [Member] | Corporate Debt Securities [Member]    
Available-for-sale securities    
Total available-for-sale securities $ 0 $ 539
[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.