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STOCKHOLDERS EQUITY (Details 1)
6 Months Ended
Jun. 30, 2020
$ / shares
shares
Shares  
Outstanding at beginning of period | shares 5,630,351
Forfeited | shares (47,683)
Expired | shares (6,763)
Granted | shares 1,232,500
Exercised | shares (6,626)
Outstanding at end of period | shares 6,801,779
Options exercisable | shares 4,030,098
Weighted Average Exercise Price  
Outstanding at beginning of period | $ / shares $ 4.76
Forfeited | $ / shares 3.51
Expired | $ / shares 4.34
Granted | $ / shares 2.96
Exercised | $ / shares 2.03
Outstanding at end of period | $ / shares 4.45
Options exercisable | $ / shares $ 5.19