Quarterly report pursuant to Section 13 or 15(d)

Summary of Nonvested Restricted Stock Units (Detail)

v3.4.0.3
Summary of Nonvested Restricted Stock Units (Detail) - Restricted Stock Units (RSUs)
3 Months Ended
Mar. 31, 2016
$ / shares
shares
Shares  
Beginning Balance | shares 870,000
Granted | shares 658,000
Vested | shares (30,000)
Ending Balance | shares 1,498,000
Weighted Average Grant Date Fair Value  
Beginning Balance | $ / shares $ 1.64
Granted | $ / shares 0.90
Vested | $ / shares 0.86
Ending Balance | $ / shares $ 0.90