Short-Term And Long-Term Investments (Schedule Of Short-Term And Long-Term Investments) (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Jun. 30, 2018
Investments, Debt and Equity Securities Statement [Line Items]
Short-term investments	$ 1,431	$ 877
Long-term investments	725	725
Bank Guarantees [Member]
Investments, Debt and Equity Securities Statement [Line Items]
Short-term investments	258	166
Cost [Member]
Investments, Debt and Equity Securities Statement [Line Items]
Short-term investments	1,431	877
Long-term investments	3,700	3,700
Total Investments	5,131	4,577
Cost [Member] \| Bank Guarantees [Member]
Investments, Debt and Equity Securities Statement [Line Items]
Short-term investments	258	166
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	1,173	688
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	1,431	877
Long-term investments	725	725
Total Investments	2,156	1,602
Fair Value Or Carrying Value [Member] \| Bank Guarantees [Member]
Investments, Debt and Equity Securities Statement [Line Items]
Short-term investments	258	166
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	1,173	688
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
-Subparagraph (SX 210.7-03.1(h))
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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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-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-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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