Substantial Net Sales to Certain Customers (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Concentration Risk [Line Items]
Net Sales by Customer	$ 17,155	$ 16,460
Sales Revenue, Net | Customer Concentration Risk
Concentration Risk [Line Items]
Net Sales by Customer	10,880	10,633
% of Total Net Sales	71.00%	72.00%
Sales Revenue, Net | Customer Concentration Risk | Customer 1
Concentration Risk [Line Items]
Net Sales by Customer	3,634	2,909
% of Total Net Sales	24.00%	20.00%
Sales Revenue, Net | Customer Concentration Risk | Customer 2
Concentration Risk [Line Items]
Net Sales by Customer	5,277	7,724
% of Total Net Sales	34.00%	52.00%
Sales Revenue, Net | Customer Concentration Risk | Customer 3
Concentration Risk [Line Items]
Net Sales by Customer	$ 1,969
% of Total Net Sales	13.00%