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EQUITY INCENTIVE PLAN (Tables)
6 Months Ended
Jun. 30, 2018
EQUITY INCENTIVE PLAN [Abstract]  
Summary of stock option activity

The following table summarizes stock option activity under our plans during the six months ended June 30, 2018:





 

 

 

 

 



 

Number of

 

Weighted-Average



 

Options

 

Exercise Price

Outstanding at January 1, 2018

 

236,484 

 

$

7.12 

Granted

 

3,286,528 

 

 

0.71 

Forfeited

 

(112,953)

 

 

2.84 

Outstanding at June 30, 2018

 

3,410,059 

 

$

1.07 

Exercisable at June 30, 2018

 

131,906 

 

$

8.07