Quarterly report pursuant to Section 13 or 15(d)

SHARE-BASED COMPENSATION (Details 1)

v3.22.1
SHARE-BASED COMPENSATION (Details 1) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2022
Dec. 31, 2020
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Intrinsic value of options $ 800  
Intrinsic value of vested/exercisable options $ 800  
Stock Options [Member]    
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Weighted Average Remaining Contractual Life (Years) 6 years 5 months 19 days 6 years 18 days
Stock Options [Member]    
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Number of Shares Options Outstanding, Beginning 5,489,492  
Exercise Price Outstanding, Beginning $ 4.23  
Weighted-Average Grant Date Fair Value,Beginning $ 2.27  
Number of Shares Options Granted 803,760  
Exercise Price Granted $ 3.70  
Weighted-Average Grant Date Fair Value,Granted $ 1.69  
Number of Shares Options Exercised  
Exercise Price Exercised  
Weighted-Average Grant Date Fair Value,Exercised  
Number of Shares Options Exercised (9,607)  
Exercise Price Forfeited $ 6.29  
Weighted-Average Grant Date Fair Value,Forfeited $ 2.46  
Number of Shares Options Expired (139,172)  
Exercise Price Expired $ 5.10  
Weighted-Average Grant Date Fair Value,Expired $ 2.73  
Number of Shares Options Outstanding, Ending 6,144,473  
Exercise Price Outstanding, Ending $ 4.14  
Weighted-Average Grant Date Fair Value,Ending $ 2.18  
Exercisable 4,109,406  
Exercise Price Outstanding, Ending $ 3.93  
Weighted Average Remaining Contractual Life (Years) exercisable 5 years 4 months 17 days  
Weighted-average grant date fair value exercisable $ 2.06