Share-based Compensation (Details 2) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Share-based compensation costs recognized in the entity's Consolidated Statements of Operations
Share based compensation	$ 1,477	$ 2,162	$ 1,824
Tax benefit at statutory rate	169	138	88
Selling, general and administrative
Share-based compensation costs recognized in the entity's Consolidated Statements of Operations
Share based compensation	1,206	1,619	1,306
Research and development
Share-based compensation costs recognized in the entity's Consolidated Statements of Operations
Share based compensation	99	252	174
Cost of sales
Share-based compensation costs recognized in the entity's Consolidated Statements of Operations
Share based compensation	$ 172	$ 291	$ 344