Share-based Compensation (Details 4) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended					123 Months Ended
	Jun. 30, 2013 Restricted stock	Jun. 30, 2012 Restricted stock	Jun. 30, 2011 Restricted stock	Jun. 30, 2013 Employee Stock Purchase Plan	Jun. 30, 2012 Employee Stock Purchase Plan	Jun. 30, 2013 Employee Stock Purchase Plan
Restricted Stock
Forfeiture rate used to calculate compensation expense (as a percent)	7.50%	7.50%	7.50%
Awards
Nonvested at the beginning of the period (in shares)	74,000	155,000	270,000
Granted (in shares)	38,000	35,000	32,000
Vested (in shares)	(110,000)	(113,000)	(144,000)
Forfeited (in shares)	(2,000)	(3,000)	(3,000)
Nonvested at the end of the period (in shares)		74,000	155,000
Weighted Average Grant-date Fair Value
Nonvested at the beginning of the period (in dollars per share)	$ 6.94	$ 6.94	$ 6.59
Granted (in dollars per share)	$ 5.06	$ 3.62	$ 5.61
Vested (in dollars per share)	$ 6.30	$ 5.91	$ 5.98
Forfeited (in dollars per share)	$ 6.94	$ 6.94	$ 6.94
Nonvested at the end of the period (in dollars per share)		$ 6.94	$ 6.94
Aggregate Intrinsic Value
Vested	$ 491	$ 459	$ 723
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)				1,100,000		1,100,000
Shares issued under the ESPP (in shares)				70,000	69,000	409,000