Consolidated Statements of Shareholders' Equity (Deficit) (USD $) In Thousands, except Share data	Total USD ($)	Common Stock, Shares	Common Stock, Amount USD ($)	Accumulated Other Comprehensive Loss USD ($)	Accumulated Deficit USD ($)
Shareholders' equity at Jun. 30, 2011	$ 7,135		$ 104,382	$ (685)	$ (96,562)
Common stock, shares at Jun. 30, 2011		22,993,000
Common stock issued during period, shares		3,723,000
Issuance of common stock, net of issuance costs	6,739		6,739
Issuance of stock options and ESPP purchases		293,000
Exercise of stock options and ESPP purchases	523		523
Issuance of restricted stock		728,000
Issuance of restricted stock	(831)		(831)
Share-based compensation	4,994		4,994
Stock appreciation rights	875		875
Net loss	(16,161)				(16,161)
Foreign currency translation	(233)			(233)
Shareholders' equity (deficit) at Jun. 30, 2012	3,041		116,682	(918)	(112,723)
Common stock, shares at Jun. 30, 2012		27,737,000
Common stock issued during period, shares		1,020,000
Issuance of common stock, net of issuance costs	870		870
Issuance of common stock for settlement of convertible notes interest	348,490	349,000
Issuance of common stock for settlement of convertible notes interest	401		401
Issuance of stock options and ESPP purchases		167,000
Exercise of stock options and ESPP purchases	215		215
Issuance of restricted stock		1,130,000
Issuance of restricted stock	(749)		(749)
Share-based compensation	4,770		4,770
Stock appreciation rights	876		876
Net loss	(19,647)				(19,647)
Foreign currency translation	(73)			(73)
Shareholders' equity (deficit) at Jun. 30, 2013	$ (10,296)		$ 123,065	$ (991)	$ (132,370)
Common stock, shares at Jun. 30, 2013		30,403,000