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Long-Term Debt (Carmichael Notes) - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended
Sep. 09, 2016
Sep. 30, 2016
Sep. 30, 2015
Jun. 30, 2016
Feb. 16, 2016
Apr. 22, 2008
Debt Instrument [Line Items]            
Gain on extinguishment of debt   $ 46 $ 0      
Carmichael Notes [Member]            
Debt Instrument [Line Items]            
Loan agreement amount           $ 3,000
Interest rate percentage           8.00%
Date of loan agreement   Apr. 22, 2008        
Principal and interest payment   $ 185        
Carmichael Notes   $ 0   $ 1,508 $ 1,255  
Note due date   Oct. 22, 2017        
Notes paid $ 1,508          
Accrued interest forgiven $ 46          
Gain on extinguishment of debt   $ 46