Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION (Details 3)

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STOCK-BASED COMPENSATION (Details 3) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Total stock based compensation expense $ 1,218 $ 839 $ 3,904 $ 2,470
Stock Options [Member]        
Number of Shares or Options Granted 143,848 945,000 4,144,666 1,811,667
Total stock based compensation expense $ 1,078 $ 691 $ 3,314 $ 1,645
Directors (common stock) [Member]        
Number of Shares or Options Granted 173,610 49,500 173,610 49,500
Total stock based compensation expense $ 102 $ 100 $ 102 $ 100
Employees (Common Stock) [Member]        
Number of Shares or Options Granted 91,465 14,748 564,799 188,142
Total stock based compensation expense $ 38 $ 37 $ 428 $ 590
Non employee consultants (common stock) [Member]        
Number of Shares or Options Granted 5,700 66,376 49,982
Total stock based compensation expense $ 10 $ 59 $ 134