Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Additional Information (Detail)

v3.3.1.900
Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($)
1 Months Ended 12 Months Ended
Feb. 13, 2014
Dec. 31, 2015
Dec. 31, 2014
Accounting Policies [Line Items]      
Deferred financing costs   $ 800,000 $ 6,000
Percentage of tax benefit likely of being realized   50.00%  
Restricted Cash and Cash Equivalents   $ 14,600,000  
Gain (Loss) on Sale of Assets and Asset Impairment Charges     $ 400,000
Hercules Note Payble [Member]      
Accounting Policies [Line Items]      
Restricted Cash and Cash Equivalents   600,000  
Debt Instrument, Periodic Payment $ 14,000,000 14,000,000  
Hercules Note Payble [Member] | Third Party [Member]      
Accounting Policies [Line Items]      
Deferred financing costs   $ 15,000,000