Unearned Grant Funds (Details) (USD $) In Thousands, unless otherwise specified	1 Months Ended	3 Months Ended	12 Months Ended	24 Months Ended
	Jul. 31, 2004	Jun. 30, 2011	Jun. 30, 2011	Jun. 30, 2006 item
Unearned Grant Funds
Grant funding received from the Commonwealth of Pennsylvania	$ 500
Number of additional full-time employees required to be hired				100
Minimum period during which location is required to be operated	5 years
Amount of grant funds required to be repaid		90	90
Grant income		$ 410	$ 410