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Related Party Transactions - Additional Information (Detail) - USD ($)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Director    
Related Party Transactions (Textual) [Abstract]    
Overdue outstanding amount owed to law firm $ 0 $ 0
Chief Executive Officer | Labor And Related Compensation    
Related Party Transactions (Textual) [Abstract]    
Compensation amount $ 130,000 130,000
Percentage of amendment bonus 1.00%  
Employment agreement expiration year 2015  
General and Administrative Expense | Director    
Related Party Transactions (Textual) [Abstract]    
Expenses related to legal advice $ 50,000 50,000
General and Administrative Expense | Chief Executive Officer    
Related Party Transactions (Textual) [Abstract]    
Compensation amount included in general and administrative expenses $ 130,000 $ 130,000