Shareholders' Equity - Additional Information (Detail) (USD $)	12 Months Ended
Jun. 30, 2014	Jun. 30, 2013
Equity [Abstract]
Preferred stock shares authorized to issue	1,000,000	1,000,000
Preferred stock shares par value (in dollars per share)	$ 0.01	$ 0.01
Dividend declared, record date	Dec. 23, 2005
Minimum percentage a person should acquire or commence a tender offer that would result in owning outstanding shares of common stock to exercise the right	15.00%

Minimum Percentage of Outstanding Stock Acquired For Rights to be Exercisable

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- Definition

Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format.

+ References

No definition available.

+ Details

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- Details

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- Definition

Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

+ 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 210.5-02.28)

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

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29

-Article 5

+ Details

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- Definition

The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

+ References

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