Shareholders' Equity and Share-based Compensation - Share-based Compensation Expenses (Details) (USD $)	3 Months Ended		9 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Allocated share-based compensation expense	$ 861,000	$ 1,222,000	$ 2,175,000	$ 3,576,000
Unrecognized compensation expense	6,800,000		6,800,000
Recognition period of share-based compensation expense (in years)			1 year 8 months 9 days
Cost of goods sold
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Allocated share-based compensation expense	119,000	191,000	457,000	530,000
Research and development
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Allocated share-based compensation expense	221,000	353,000	484,000	1,024,000
Selling, general and administrative
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Allocated share-based compensation expense	$ 521,000	$ 678,000	$ 1,234,000	$ 2,022,000