Interest and Other, Net (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Interest and other, net
Interest expense, including premium and discount amortization	$ (1,034)	$ (1,345)	$ (1,356)
Change in fair value of conversion option	(61)	370	(554)
Net write-offs upon conversion (option and unamortized premium)	(655)	(551)	(182)
Other	(51)	(92)	(232)
Total	$ (1,801)	$ (1,618)	$ (2,324)