Quarterly report pursuant to Section 13 or 15(d)

SHARE-BASED COMPENSATION - Summarizes information related to our common stock options (Details)

v3.19.3
SHARE-BASED COMPENSATION - Summarizes information related to our common stock options (Details) - Stock options
 9 Months Ended
Sep. 30, 2019
$ / shares
shares
Number of Stock Options  
Options outstanding, beginning balance (in shares) | shares 2,575,774
Granted (in shares) | shares 436,900
Exercised (in shares) | shares (26,667)
Canceled/Forfeited (in shares) | shares (26,666)
Expired (in shares) | shares (6,667)
Options outstanding, ending balance (in shares) | shares 2,952,674
Options exercisable (in shares) | shares 2,253,273
Weighted Average Exercise Price  
Weighted average exercise price, Options outstanding (in dollars per share) | $ / shares $ 1.67
Granted (in dollars per share) | $ / shares 2.06
Exercised (in dollars per share) | $ / shares 1.70
Canceled/Forfeited (in dollars per share) | $ / shares 2.01
Expired (in dollars per share) | $ / shares 2.32
Weighted average exercise price, Options outstanding (in dollars per share) | $ / shares 1.72
Weighted average exercise price, Options exercisable (in dollars per share) | $ / shares $ 1.57