Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Additional Information (Detail)

v3.5.0.2
Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($)
 9 Months Ended
Sep. 30, 2016
Sep. 09, 2016
Aug. 01, 2016
Dec. 31, 2015
Accounting Policies [Line Items]        
Percentage of tax benefit likely of being realized 50.00%      
Restricted Cash and Cash Equivalents $ 15,500,000      
Notes Payable $ 14,900,000      
Debt Instrument, Interest Rate, Stated Percentage 39.49% 9.00%    
Contractual Obligation     $ 1,900,000  
Contractual Obligation, Future Minimum Payments Due, Remainder of Fiscal Year     1,100,000  
Contractual Obligation, Due in Next Fiscal Year     $ 800,000  
Deferred Revenue and Credits, Current $ 1,007,000     $ 0
Allowance for Doubtful Accounts Receivable 0     $ 0
Deferred Clearing [Member]        
Accounting Policies [Line Items]        
Deferred Revenue and Credits, Current 687,000      
Marketing Credits [Member]        
Accounting Policies [Line Items]        
Deferred Revenue and Credits, Current 321,000      
Hercules Note Payble [Member]        
Accounting Policies [Line Items]        
Restricted Cash and Cash Equivalents 600,000      
Hercules Note Payble [Member] | Third Party [Member]        
Accounting Policies [Line Items]        
Deferred financing costs $ 15,000,000