Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION (Details 2)

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STOCK-BASED COMPENSATION (Details 2) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Number of Shares or Options Granted
Stock-Based Compensation Expense $ 960 $ 1,621
Stock Options [Member]    
Number of Shares or Options Granted 442,292
Stock-Based Compensation Expense $ 944 $ 1,282
Employees (Common Stock) [Member]    
Number of Shares or Options Granted 2,353,115 385,536
Stock-Based Compensation Expense $ 0 $ 315
Non-Employee Consultants (Common Stock) [Member]    
Number of Shares or Options Granted 825,000 26,376
Stock-Based Compensation Expense $ 16 $ 23