Other Income (Expense), Net - Summary of Other Income (Expense) (Detail) (USD $)	1 Months Ended	12 Months Ended
	Mar. 14, 2012	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Component of Other Income, Nonoperating [Line Items]
Amortization of debt discount	$ (647,000)	$ (647,000)
Interest income		2,000	7,000	177,000
Rental income			7,000	187,000
Deferred financing costs				(533,000)
Net gain from sale of non-core assets			351,000
Micellaneous expense				(1,000)
Total other (expense) income		$ (645,000)	$ 365,000	$ (170,000)