Quarterly report pursuant to Section 13 or 15(d)

Common Stock - Additional Information (Detail)

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Common Stock - Additional Information (Detail) (USD $)
0 Months Ended 6 Months Ended 12 Months Ended
Mar. 08, 2013
Jun. 30, 2014
Dec. 31, 2013
Convertible Promissory Notes And Warrants [Line Items]      
Stock issued, value of shares     $ 5,069,000
Payment of Finder's fee for stock issuance transactions 100,000 37,000  
Issuance of common stock for services, (in shares) 42,735    
Common Stock
     
Convertible Promissory Notes And Warrants [Line Items]      
Stock issued, value of shares 5,000,000    
Great American Insurance Company | Common Stock
     
Convertible Promissory Notes And Warrants [Line Items]      
Stock issued, number of shares 2,136,752    
Stock issued, value of shares 2,500,000    
Great American Life Insurance Company | Common Stock
     
Convertible Promissory Notes And Warrants [Line Items]      
Stock issued, number of shares 2,136,752    
Stock issued, value of shares $ 2,500,000