Quarterly report pursuant to Section 13 or 15(d)

Consulting Shares - Additional Information (Detail)

v3.5.0.2
Consulting Shares - Additional Information (Detail) - USD ($)
1 Months Ended 3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Dec. 31, 2015
Mar. 31, 2015
Related Party Transaction [Line Items]            
Common stock, shares issued     43,058,827   39,833,023  
Consulting Agreement [Member] | Del Mar Consulting Group and Alex Partners [Member]            
Related Party Transaction [Line Items]            
Common stock, shares issued           150,000
Consulting Agreement [Member] | Cancellable Shares [Member] | Del Mar Consulting Group and Alex Partners [Member]            
Related Party Transaction [Line Items]            
General and administrative expense recognized in consulting shares   $ 100,000 $ 0 $ 400,000    
Letter Agreement [Member] | Aquilo Partners [Member]            
Related Party Transaction [Line Items]            
Letter of agreement retainer fee $ 100,000          
Common stock, shares issued 27,272          
Sales of common stock, price per share $ 2.75 $ 2.75   $ 2.75