Summary of Significant Accounting Policies (Details 4) (USD $) Share data in Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Property and Equipment
Gains (losses) on the sale/disposal of furniture and equipment (in dollars)	$ 21,000	$ (51,000)	$ (9,000)
Computation of Net Loss Per Common Share
Options outstanding to purchase common stock and unvested restricted stock	7,703	6,442	6,491
Common stock equivalents under treasury stock method (in shares)	2,149	2,194	1,901
Machinery and equipment
Property and Equipment
Estimated useful lives	5 years
Computer hardware and software
Property and Equipment
Estimated useful lives	3 years
Furniture and fixtures
Property and Equipment
Estimated useful lives	5 years
Gains (losses) on the sale/disposal of furniture and equipment (in dollars)	$ 21,000	$ (51,000)	$ (9,000)
Leasehold improvements | Maximum
Property and Equipment
Estimated useful lives	7 years