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Stock-based Activity (Detail 2)
9 Months Ended
Sep. 30, 2015
$ / shares
shares
Restricted stock grants  
Nonvested at beginning of period | shares
Granted | shares 2,300,850
Vested | shares
Forfeited | shares
Nonvested at end of period | shares 2,180,850
Weighted average grant date fair value  
Nonvested at beginning of period | $ / shares
Granted | $ / shares $ 2.30
Vested | $ / shares
Forfeited | $ / shares
Nonvested at end of period | $ / shares $ 2.30