Summary of Significant Accounting Policies (Details 2) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Property, Plant and Equipment
Depreciation expense	$ 3,856	$ 3,101	$ 3,055
Advertising Costs
Advertising expense	$ 46	$ 53	$ 30
Minimum
Intangible assets
Estimated useful lives	10 years
Maximum
Intangible assets
Estimated useful lives	15 years