Quarterly report pursuant to Section 13 or 15(d)

Summary of Unvested Restricted Stock Units (Detail)

v3.5.0.2
Summary of Unvested Restricted Stock Units (Detail) - Restricted Stock Units (RSUs)
9 Months Ended
Sep. 30, 2016
$ / shares
shares
Shares  
Granted | shares 907,000
Vested | shares (488,000)
Ending Balance | shares 419,000
Weighted Average Grant Date Fair Value  
Granted | $ / shares $ 1.06
Vested | $ / shares 0.91
Ending Balance | $ / shares $ 1.23