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STOCK-BASED COMPENSATION (Tables)
 9 Months Ended
Sep. 30, 2017
STOCK-BASED COMPENSATION.  
Summary of option activity

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Weighted

 

 

 

 

 

 

 

 

Weighted

 

Average

 

 

 

 

 

 

 

 

Average

 

Remaining

 

Aggregate

 

 

 

 

 

Exercise

 

Contractual

 

Intrinsic

 

Options

    

Shares

    

Price

    

Term in Years

    

Value

 

Outstanding at December 31, 2016

 

3,193,785

 

$

7.52

 

 

 

 

 

 

Granted

 

1,439,463

 

$

3.94

 

 

 

 

 

 

Forfeited

 

(570,863)

 

$

6.54

 

 

 

 

 

 

Exercised

 

(89,387)

 

$

0.29

 

 

 

 

 

 

Outstanding at September 30, 2017

 

3,972,998

 

$

6.53

 

7.48

 

$

53,894

 

Vested at September 30, 2017

 

2,146,415

 

$

7.86

 

6.20

 

$

53,894

 

 

Summary of restricted stock unit activity

 

 

 

 

 

 

 

 

 

Weighted-Average

 

 

Number of Grants

 

Grant Date Fair Value

Unvested balance at December 31, 2016

 

 —

$

 —

       Granted

 

295,000

 

1.25

       Vested

 

 —

 

 —

       Forfeited

 

 —

 

 —

Unvested balance at September 30, 2017

 

295,000

$

1.25