Share-based Compensation (Details 4) (USD $) In Thousands, unless otherwise specified	12 Months Ended						111 Months Ended
	Jun. 30, 2012 Maximum	Jun. 30, 2012 Restricted stock	Jun. 30, 2011 Restricted stock	Jun. 30, 2010 Restricted stock	Jun. 30, 2012 Employee stock purchase plan	Jun. 30, 2011 Employee stock purchase plan	Jun. 30, 2012 Employee stock purchase plan
Restricted Stock
Forfeiture rate used to calculate compensation expense (as a percent)		7.50%	7.50%	5.00%
Awards
Nonvested at the beginning of the period (in shares)		155	270	77
Granted (in shares)		35	32	399
Vested (in shares)		(113)	(144)	(197)
Forfeited (in shares)		(3)	(3)	(9)
Nonvested at the end of the period (in shares)		74	155	270
Weighted Average Grant-date Fair Value
Nonvested at the beginning of the period		$ 1,076	$ 1,779	$ 311
Granted		127	182	2,697
Vested		(665)	(862)	(1,192)
Forfeited		(23)	(23)	(37)
Nonvested at the end of the period		515	1,076	1,779
Other disclosures
Share-based compensation awards vesting period	3 years
Share-based compensation awards maximum contractual term	10 years
Total unrecognized compensation cost related to non-vested share-based compensation awards granted under the Plans		$ 1,418
Weighted average period during which the cost is expected to be recognized		1 year 7 months 6 days
Employee Stock Purchase Plan
Purchase price lower of the fair market value of the common stock on the first day of the calendar quarter or the last day of the calendar quarter (as a percent)					85.00%
Percentage of the compensation authorized by the employee to be withheld					10.00%		10.00%
Company's common stock authorized for issuance under the ESPP (in shares)					1,125		1,125
Shares issued under the ESPP (in shares)					69	55	339