Loss Per Share - Additional Information (Detail)	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Option [Member]
Net Loss Per Class Share [Line Items]
Antidilutive securities outstanding	(2,643,000)	(2,533,000)	(2,222,000)
Restricted Stock Units [Member]
Net Loss Per Class Share [Line Items]
Antidilutive securities outstanding	(576,000)
Warrant [Member]
Net Loss Per Class Share [Line Items]
Antidilutive securities outstanding	(24,966,000)	(8,651,000)	(3,410,000)
Series D Preferred Stock [Member]
Net Loss Per Class Share [Line Items]
Antidilutive securities outstanding	(6,125,000)
Series C Preferred Stock [Member]
Net Loss Per Class Share [Line Items]
Antidilutive securities outstanding		(2,500,000)	(2,500,000)
Series B Preferred Stock [Member]
Net Loss Per Class Share [Line Items]
Antidilutive securities outstanding	(250,000)	(250,000)	(250,000)
Series C 15% Convertible Redeemable Preferred Stock [Member]
Net Loss Per Class Share [Line Items]
Convertible redeemable preferred stock dividend	15.00%