Quarterly report pursuant to Section 13 or 15(d)

Consulting Shares - Additional Information (Detail)

v3.5.0.2
Consulting Shares - Additional Information (Detail) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2016
Jun. 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]          
Related Party Transaction [Line Items]          
Common stock, shares issued         150,000
Consulting Agreement [Member] | Cancellable Shares [Member]          
Related Party Transaction [Line Items]          
General and administrative expense recognized in consulting shares $ 100,000 $ 0 $ 400,000