Employee Stock Purchase Plan (Narrative) (Details)	12 Months Ended
Jun. 30, 2018 shares
Employee Stock Purchase Plan [Abstract]
Purchase price of common stock - percentage of its fair market value	85.00%
Maximum employee subscription rate	10.00%
Period shares purchased must be held before selling	1 year
Shares reserved for future issuance	124,433

Employee Stock Purchase Plan [Abstract]

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- Definition

Holding Period Of Shares Purchased From Purchased Date

+ References

No definition available.

+ Details

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- Definition

Aggregate number of common shares reserved for future issuance.

+ 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
-Subparagraph (SX 210.5-02.29)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

The highest percentage of annual salary that an employee is permitted to utilize with respect to the plan.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

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- Definition

Purchase price of common stock expressed as a percentage of its fair value.

+ References

No definition available.

+ Details

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