Property and Equipment - Property and Equipment (Detail) (USD $) In Thousands, unless otherwise specified			12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013 Leasehold Improvements [Member]	Jun. 30, 2013 Minimum [Member]	Jun. 30, 2013 Minimum [Member] Machinery and Equipment [Member]	Jun. 30, 2013 Minimum [Member] Furniture and Fixtures [Member]	Jun. 30, 2013 Maximum [Member]	Jun. 30, 2013 Maximum [Member] Machinery and Equipment [Member]	Jun. 30, 2013 Maximum [Member] Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Machinery and equipment	$ 5,028	$ 4,858
Furniture and fixtures	236	236
Leasehold improvements	240	240
Property plant and equipment gross	5,504	5,334
Less: Accumulated depreciation and amortization	(4,771)	(4,417)
Property plant and equipment net	$ 733	$ 917
Property and Equipment Estimated Useful Life			5 years	3 years	3 years	5 years	7 years	6 years	7 years