Income Taxes - Additional Information (Detail) (USD $)	12 Months Ended
	Jun. 30, 2013
Income Tax Disclosure [Abstract]
Valuation allowance is required for the deferred tax assets	$ 947,000
Operating loss carry-forwards for federal or state income tax purposes	0
R&D carried forwards	1,000,000
Income taxes have not been provided for cumulative undistributed earnings	1,800,000
Interest and penalties related to the unrecognized tax benefits	700,000
Unrecognized tax benefits, if recognized, it affect the effective Tax Rate	$ 2,700,000
Amount of existing unrecognized tax benefits increase or decrease	Within the next 12 months