Property, Plant and Equipment (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 38,359	$ 37,752
Less: accumulated depreciation and amortization	31,112	30,011
Property, plant and equipment, net	7,247	7,741
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	6,748	6,636
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	2,317	2,287
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	19,107	18,642
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, useful life	Shorter of the lease term or life of asset
Property, plant and equipment, gross	$ 372	$ 372