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Intangible Assets (Detail) - Estimated future amortization expense of intangible assets (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Jun. 30, 2012
Three months ending June 30, 2013 $ 271  
Fiscal year ending June 30, 2014 826  
Fiscal year ending June 30, 2015 815  
Fiscal year ending June 30, 2016 638  
Fiscal year ending June 30, 2017 499  
Fiscal year ending June 30, 2018 377  
Thereafter 1,357  
Total $ 4,783 $ 5,198