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Summary of Business and Significant Accounting Policies - Impact of Accounting Change Retrospectively Adopted on Condensed Consolidated Statement of Cash Flows (Detail) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2011
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]      
Net income / (loss) $ 684 $ (3,822) [1] $ 8,372 [1]
Amortization of deferred commissions 1,641 628 [1] 752 [1]
Deferred commissions (2,565) (1,723) [1] (613) [1]
As Previously Reported
      
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]      
Net income / (loss)   (4,917) 8,511
Amortization of deferred commissions        
Deferred commissions        
Adjustment
      
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]      
Net income / (loss)   1,095 (139)
Amortization of deferred commissions   628 752
Deferred commissions   $ (1,723) $ (613)
[1] As adjusted, see Note 1