Short-Term And Long-Term Investments (Schedule Of Short-Term And Long-Term Investments) (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Jun. 30, 2017
Investments, Debt and Equity Securities Statement [Line Items]
Short-term investments	$ 877	$ 1,572
Long-term investments	725	725
Total Investments	1,602	2,297
Bank Guarantees [Member]
Investments, Debt and Equity Securities Statement [Line Items]
Short-term investments	166	239
Cost [Member]
Investments, Debt and Equity Securities Statement [Line Items]
Short-term investments	877	1,572
Long-term investments	3,700	3,700
Total Investments	4,577	5,272
Cost [Member] \| Bank Guarantees [Member]
Investments, Debt and Equity Securities Statement [Line Items]
Short-term investments	166	239
Cost [Member] \| Mutual Funds [Member]
Investments, Debt and Equity Securities Statement [Line Items]
Short-term investments	23
Cost [Member] \| Time/Fixed Deposits [Member]
Investments, Debt and Equity Securities Statement [Line Items]
Short-term investments	688	1,333
Cost [Member] \| Preferred Stock [Member]
Investments, Debt and Equity Securities Statement [Line Items]
Long-term investments	3,700	3,700
Fair Value Or Carrying Value [Member]
Investments, Debt and Equity Securities Statement [Line Items]
Short-term investments	877	1,572
Long-term investments	725	725
Total Investments	1,602	2,297
Fair Value Or Carrying Value [Member] \| Bank Guarantees [Member]
Investments, Debt and Equity Securities Statement [Line Items]
Short-term investments	166	239
Fair Value Or Carrying Value [Member] \| Mutual Funds [Member]
Investments, Debt and Equity Securities Statement [Line Items]
Short-term investments	23
Fair Value Or Carrying Value [Member] \| Time/Fixed Deposits [Member]
Investments, Debt and Equity Securities Statement [Line Items]
Short-term investments	688	1,333
Fair Value Or Carrying Value [Member] \| Preferred Stock [Member]
Investments, Debt and Equity Securities Statement [Line Items]
Long-term investments	$ 725	$ 725

Investments, Debt and Equity Securities Statement [Line Items]

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- Definition

Sum of the carrying amounts as of the balance sheet date of all investments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
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- Definition

The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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- Definition

Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(4))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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-Name Accounting Standards Codification
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-Section S99
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-Subparagraph (SX 210.9-03(6))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 942
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-Section S99
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-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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