Loss per Share - Calculation of Basic and Diluted Loss per Share (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Net Loss Per Class Share [Line Items]
Loss from continuing operations	$ (8,352)	$ (6,786)	$ (9,047)
Income (loss) from discontinued operations, including a loss on disposal in 2011 of $5,405, net		(5,769)	42
Net loss	(8,352)	(12,555)	(9,005)
Preferred stock dividends	(394)	(285)	(70)
Deemed preferred stock dividends	(223)
Net loss applicable to common shareholders	$ (8,969)	$ (12,840)	$ (9,075)
Weighted average shares	25,700	21,948	18,247
Basic and diluted loss per common share
Continuing operations, less preferred dividends	$ (0.35)	$ (0.32)	$ (0.50)
Discontinued operations		$ (0.27)	$ 0.00
Basic and diluted loss per common share	$ (0.35)	$ (0.59)	$ (0.50)