Property, Plant and Equipment (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 40,018	$ 39,410
Less: accumulated depreciation and amortization	33,784	33,016
Property, plant and equipment, net	6,234	6,394
Land [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	904	904
Buildings [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 8,911	8,911
Buildings [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	30 years
Buildings [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	40 years
Molds and dies [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 7,002	6,906
Molds and dies [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	3 years
Molds and dies [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	5 years
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 2,478	2,427
Furniture and Fixtures [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	5 years
Furniture and Fixtures [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	10 years
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 20,429	19,974
Machinery and Equipment [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	7 years
Machinery and Equipment [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	10 years
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 294	$ 288
Property, plant and equipment, useful life	Shorter of the lease term or life of asset