Investments - Available for Sale and Held to Maturity Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Jun. 30, 2016
Available-for-sale securities:
Adjusted Cost	$ 9,104	$ 12,908
Unrealized Gain	0	0
Unrealized Loss	(62)	(101)
Fair Value	9,042	12,807
Held-to-maturity Securities [Abstract]
Held-to-maturity securities	3,942	8,503
Unrealized Gain	2	18
Unrealized Loss	(9)	(6)
Fair Value	3,935	8,515
Mutual Funds - Corporate & Government Debt
Available-for-sale securities:
Adjusted Cost	9,104	12,908
Unrealized Gain	0	0
Unrealized Loss	(62)	(101)
Fair Value	9,042	12,807
Fixed Income Bonds
Held-to-maturity Securities [Abstract]
Held-to-maturity securities	3,144	3,513
Unrealized Gain	1	11
Unrealized Loss	(8)	(6)
Fair Value	3,137	3,518
Time Deposits
Held-to-maturity Securities [Abstract]
Held-to-maturity securities	798	4,990
Unrealized Gain	1	7
Unrealized Loss	(1)	0
Fair Value	$ 798	$ 4,997

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

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Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

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Amount after other than temporary impairment (OTTI) accretion, of investments in debt securities classified as held-to-maturity.

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