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Significant Accounting Policies (Calculation of Shares Used to Compute Basic and Diluted Net (Loss) Income Per Share) (Detail)	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Reconciliation Of Basic Weighted Average Common Shares Outstanding To Diluted Weighted Average Common Shares Outstanding [Line Items]
Number of common shares-basic	20,791,000	19,489,000	18,405,000
Effect of dilutive securities:
Stock options			489,783
Number of common shares-diluted	20,791,000	19,489,000	18,895,000

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

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