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Income Taxes - Schedule of Unrecognized Tax Benefit (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2011
Income Tax Disclosure [Abstract]      
Unrecognized Tax Benefits, Beginning Balance $ 19 $ 37 $ 71
Additions based on tax positions related to current year 218    
Reductions for tax positions related to current year (1)    
Reductions for tax positions of prior years (7) (18) (34)
Unrecognized Tax Benefits, Ending Balance $ 229 $ 19 $ 37