Raw Material Purchases from Major Suppliers (Detail) (Supplier Concentration Risk, USD $) In Thousands, unless otherwise specified	3 Months Ended
	Sep. 30, 2011
Concentration Risk [Line Items]
Raw Material Purchases by Supplier	$ 1,750
% of Total Raw Material Purchases	25.00%
Supplier One
Concentration Risk [Line Items]
Raw Material Purchases by Supplier	1,026
% of Total Raw Material Purchases	15.00%
Supplier Two
Concentration Risk [Line Items]
Raw Material Purchases by Supplier	$ 724
% of Total Raw Material Purchases	10.00%