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Trust Account - Additional Information (Detail)
 3 Months Ended 6 Months Ended
Aug. 01, 2016
USD ($)
Employees
Jun. 16, 2016
USD ($)
Jun. 30, 2016
USD ($)
Jun. 30, 2016
USD ($)
Trust Account [Line Items]        
Wind-down expense     $ 3,803,448 $ 3,803,448
Subsequent Events [Member]        
Trust Account [Line Items]        
Number of impacted employees | Employees 50      
Trust Agreement [Member]        
Trust Account [Line Items]        
Fund transferred to trust under agreement   $ 2,300,000    
Negotiated discounts minimum percentage of severance amounts contributed into beneficial trust   50.00%    
Trust Agreement [Member] | Subsequent Events [Member]        
Trust Account [Line Items]        
Fund released to employees and tax authorities $ 2,100,000      
Wind-down expense $ 3,800,000      
Number of impacted employees | Employees 50