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STOCK OPTIONS (Tables)
 6 Months Ended
Jun. 30, 2017
STOCK OPTIONS.  
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

 

1,114,463

 

$

4.34

 

 

 

 

 

 

Forfeited

 

(218,089)

 

$

8.21

 

 

 

 

 

 

Exercised

 

(89,387)

 

$

0.29

 

 

 

 

 

 

Outstanding at June 30, 2017

 

4,000,772

 

$

6.76

 

7.65

 

$

116,629

 

Vested at June 30, 2017

 

1,963,220

 

$

7.94

 

6.29

 

$

116,410