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Related Party Transactions - Additional Information (Detail) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2015
Sep. 30, 2016
Sep. 30, 2015
Related Party Transaction [Line Items]          
Dividends on preferred stocks $ 75,000     $ 225,000 $ 300,000
Consulting fee   $ 425,000   135,000  
Term of agreement   2 years      
Sale of Life Insurance Policies 1,700,000        
Golsen Group [Member]          
Related Party Transaction [Line Items]          
Dividends on preferred stocks     $ 300,000    
Dividends declared $ 0     $ 0