Other Liabilities - Additional Information (Detail) - USD ($)
1 Months Ended
May 31, 2016
Dec. 31, 2016
Dec. 31, 2015
Other Liabilities [Line Items]      
Value of other liabilities to be paid in shares     $ 52,500
Other Liabilities [Member]      
Other Liabilities [Line Items]      
Accrued payroll expenses   $ 10,000  
Accrued legal expenses $ 73,000    
Stock offering related to 2013 reorganization settlement 5,000,000    
General and Administrative Expense [Member]      
Other Liabilities [Line Items]      
Gain on settlement of liabilities $ 27,500