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STOCK-BASED COMPENSATION (Tables)
9 Months Ended
Sep. 30, 2019
Share-based Payment Arrangement [Abstract]  
Summary of stock options and stock awards
The status of our stock options are summarized as follows:
 
Number of options
 
Weighted average exercise price
Outstanding at December 31, 2018
3,254,779

 
$
3.18

Granted
1,379,500

 
7.70

Exercised
(391,135
)
 
2.84

Canceled and forfeited
(183,500
)
 
3.41

Outstanding at September 30, 2019
4,059,643

 
$
4.73

Schedule of option fair value assumptions
 
2019 Grants
Option value
$
7.15

-
$
7.91

Risk-free rate
1.7%
-
2.6
%
Expected dividend yield
Expected volatility
67.6%
-
69.1
%
Expected term (in years)
6