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, 2013	Jun. 30, 2012	Jun. 30, 2011
Earnings Per Share [Abstract]
Loss from continuing operations	$ (11,349)	$ (8,352)	$ (6,786)
Loss from discontinued operations, including loss on disposal in 2011 of $5,405, net			(5,769)
Net loss	(11,349)	(8,352)	(12,555)
Preferred stock dividends	(384)	(394)	(285)
Deemed preferred stock dividends	(906)	(223)
Net loss applicable to common shareholders	$ (12,639)	$ (8,969)	$ (12,840)
Weighted average shares	28,086	25,700	21,948
Basic and diluted loss per common share	$ (0.45)	$ (0.35)	$ (0.59)