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EQUITY INCENTIVE PLAN (Tables)
3 Months Ended
Mar. 31, 2019
EQUITY INCENTIVE PLAN [Abstract]  
Summary of stock option activity

 

 

 

 

 

 

 

    

Number of

    

Weighted-Average

 

 

Options

 

Exercise Price

Outstanding at January 1, 2019

 

224,895

 

$

15.90

Granted

 

276,700

 

 

2.25

Forfeited

 

(3,333)

 

 

2.10

Outstanding at March 31, 2019

 

498,262

 

$

8.40

Exercisable at March 31, 2019

 

74,836

 

$

24.75