Consolidated Statements of Shareholders' Equity (USD $) In Thousands	Total USD ($)	Common Stock [Member]	Common Stock USD ($)	Accumulated Other Comprehensive Loss USD ($)	Accumulated Deficit USD ($)
Shareholders' equity at Jun. 30, 2010	$ 2,666		$ 85,709	$ (980)	$ (82,063)
Common stock, shares at Jun. 30, 2010		10,886
Stock issued during period, shares		12,078
Issuance of common stock, net of issuance costs	17,795		17,795
Issuance of stock options and ESPP purchases		29
Exercise of stock options and ESPP purchases	30		30
Share-based compensation	3,073		3,073
Stock appreciation rights	(2,225)		(2,225)
Net loss	(14,499)				(14,499)
Foreign currency translation	295			295
Shareholders' equity at Jun. 30, 2011	7,135		104,382	(685)	(96,562)
Common stock, shares at Jun. 30, 2011		22,993
Stock issued during period, shares		3,723
Issuance of common stock, net of issuance costs	6,739		6,739
Issuance of stock options and ESPP purchases		293
Exercise of stock options and ESPP purchases	523		523
Issuance of restricted stock		728
Issuance of restricted stock, net settlement	(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 at Jun. 30, 2012	$ 3,041		$ 116,682	$ (918)	$ (112,723)
Common stock, shares at Jun. 30, 2012		27,737