Cumulative Loss Period

No definition available.

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- Definition

Income Taxes [Line Items]

+ References

No definition available.

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- Definition

Operating Loss Carryforward Related To Exercise Of Employee Stock

+ References

No definition available.

+ Details

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- Definition

Amount, before allocation of a valuation allowances, of deferred tax assets attributable to deductible tax credit carryforwards including, but not limited to, research, foreign, general business, alternative minimum tax, and other deductible tax credit carryforwards.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32621-109319

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-Publisher FASB
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-URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32559-109319

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Carryforwards
-URI http://asc.fasb.org/extlink&oid=6506874

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-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32632-109319

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- Definition

Tax year that remains open to examination under enacted tax laws, in CCYY format.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (e)
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- Definition

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32559-109319

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- Definition

Expiration date of each operating loss carryforward included in operating loss carryforward, in CCYY-MM-DD format.

+ References

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Expiration date of the tax credit carryforward, in CCYY-MM-DD format.

+ References

+ Details

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- Definition

Amount of undistributed earnings of foreign subsidiaries intended to be permanently reinvested outside the country of domicile.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Paragraph 1
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- Definition

The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
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-Paragraph 15A
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- Definition

Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.

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-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=75116654&loc=d3e32123-109318

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Income Taxes (Narrative) (Details) - USD ($)	12 Months Ended
Income Taxes (Narrative) (Details) - USD ($)	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Income Taxes [Line Items]
Undistributed earnings of foreign subsidiaries	$ 18,800,000
Cumulative loss period	3 years
Tax credit carry-forwards	$ 5,284,000	$ 5,451,000	$ 5,006,000
Unrecognized tax benefits that would impact effective tax rate	120,000	251,000
Internal Revenue Service (IRS) [Member]
Income Taxes [Line Items]
Operating loss carryfoward related to exercise of employee stock options	8,300,000
Increase (decrease) in valuation allowance	(354,000)	$ 16,349,000	$ 0
Internal Revenue Service (IRS) [Member] \| Tax Years 2022 Through 2036 [Member]
Income Taxes [Line Items]
Operating loss carryforward	28,200,000
Internal Revenue Service (IRS) [Member] \| Tax Years 2018 Through 2036 [Member]
Income Taxes [Line Items]
Tax credit carry-forwards	$ 5,000,000
Minimum [Member] \| Internal Revenue Service (IRS) [Member]
Income Taxes [Line Items]
Open tax year	2014
Minimum [Member] \| Internal Revenue Service (IRS) [Member] \| Tax Years 2022 Through 2036 [Member]
Income Taxes [Line Items]
Operating loss carryforward, expiration date	Jan. 01, 2022
Minimum [Member] \| Internal Revenue Service (IRS) [Member] \| Tax Years 2018 Through 2036 [Member]
Income Taxes [Line Items]
Tax credit carryforward, expiration date	Jan. 01, 2018
Minimum [Member] \| German Tax Authority [Member]
Income Taxes [Line Items]
Open tax year	2013
Maximum [Member] \| Internal Revenue Service (IRS) [Member]
Income Taxes [Line Items]
Open tax year	2017
Maximum [Member] \| Internal Revenue Service (IRS) [Member] \| Tax Years 2022 Through 2036 [Member]
Income Taxes [Line Items]
Operating loss carryforward, expiration date	Dec. 31, 2036
Maximum [Member] \| Internal Revenue Service (IRS) [Member] \| Tax Years 2018 Through 2036 [Member]
Income Taxes [Line Items]
Tax credit carryforward, expiration date	Dec. 31, 2036
Maximum [Member] \| German Tax Authority [Member]
Income Taxes [Line Items]
Open tax year	2017