Net Sales by Geographic Region (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 62,797	$ 72,822
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	36,710	43,407
Markets outside the United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 26,087	$ 29,415