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Minimum Rental Payments Under Non-Cancelable Operating Leases (Detail) (USD $)
Jun. 30, 2014
Operating Leased Assets [Line Items]  
2015 $ 2,010,000
2016 2,028,000
2017 1,931,000
2018 1,922,000
2019 1,900,000
Thereafter 3,217,000
Total minimum payments required $ 13,008,000