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Income Taxes (Narrative) (Detail) (USD $)	12 Months Ended		60 Months Ended
Income Taxes (Narrative) (Detail) (USD $)	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2011 Research and development tax credit [Member]
Income Taxes [Line Items]
Income tax expense (benefit)	$ 267,000	$ (314,000)	$ (885,401)
Reserve for uncertain tax positions, decrease during period	(39,000)
Accrued income taxes, noncurrent	126,000
Reserve for uncertain tax positions, accrued interest portion	0
Unrecognized net tax benefits that, if recognized, would favorably affect the company's effective income tax rate in any future period	$ 126,000

The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations.

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- Definition

This element represents the amount of interest expense accrued as of the date of the statement of financial position for an underpayment of income taxes computed by applying the applicable statutory rate of interest to the difference between a tax position recognized for financial reporting purposes and the amount previously taken or expected to be taken in a tax return of the entity.

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