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Schedule of Unrecognized Tax Benefits (Detail) (USD $)	9 Months Ended
	Mar. 31, 2013
Income Tax Disclosure [Abstract]
Beginning Balance	$ 313,000
Additions based on tax positions related to the current year	25,000
Additions for tax positions of prior years	7,000
Reductions for tax positions of prior years	(6,000)
Ending Balance	$ 339,000

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The gross amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns as of the balance sheet date.

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-Publisher FASB

-Name Accounting Standards Codification

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The gross amount of decreases in unrecognized tax benefits resulting from tax positions that have been or will be taken in the tax return for the current period, excluding amounts pertaining to examined tax returns.

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The gross amount of increases in unrecognized tax benefits resulting from tax positions that have been or will be taken in the tax return for the current period, excluding amounts pertaining to examined tax returns.

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The gross amount of increases in unrecognized tax benefits resulting from tax positions taken in prior period tax returns, excluding amounts pertaining to examined tax returns.

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