Investments - Available for Sale Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Jun. 30, 2017
Available-for-sale securities
Adjusted Cost	$ 5,749	$ 12,951
Unrealized Gain	0	0
Unrealized Loss	(52)	(61)
Fair Value	5,697	12,890
Mutual Funds - Corporate & Government Debt
Available-for-sale securities
Adjusted Cost	3,570	9,104
Unrealized Gain	0	0
Unrealized Loss	(42)	(61)
Fair Value	3,528	9,043
Fixed Income Bonds
Available-for-sale securities
Adjusted Cost	1,631	3,048
Unrealized Gain	0	0
Unrealized Loss	(8)	0
Fair Value	1,623	3,048
Time Deposits
Available-for-sale securities
Adjusted Cost	548	799
Unrealized Gain	0	0
Unrealized Loss	(2)	0
Fair Value	$ 546	$ 799

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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 25
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=75030427&loc=d3e22054-111558

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 5
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-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27232-111563

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
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-Section 45
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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
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-Section 50
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-Subparagraph (c)
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This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.2)
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