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Equity (Tables)
6 Months Ended
Jun. 30, 2022
Option [Member]  
Equity (Tables) [Line Items]  
Schedule of stock option activity
(in thousands, except for per-share amounts)  Number of
Shares
   Weighted
Average
Exercise
Price
   Weighted
Average
Remaining
Contractual
Term
(in years)
   Aggregate
Intrinsic
Value
 
Outstanding, January 1, 2022   1,362   $12.45   8.69   $
         -
 
Granted   120    5.23          
Cancelled   (51)   8.89          
Outstanding, June 30, 2022   1,431    11.97   8.36    
-
 
                    
Exercisable, June 30, 2022   473    22.19   7.07    
-
 

   

Warrant [Member]  
Equity (Tables) [Line Items]  
Schedule of warrant activities
(in thousands, except for per-share amounts)  Number of Shares   Weighted
Average
Exercise
Price
   Weighted
Average
Remaining
Contractual
Term
(in years)
   Aggregate
Intrinsic
Value
 
Outstanding, January 1, 2022   2,112   $20.52   1.76   $     276 
Granted   
-
    
-
          
Exercised   
-
    
-
          
Cancelled/Expired   (59)   3.62          
Outstanding, June 30, 2022   2,053   $21.01   1.32   $
-
 
                    
Exercisable, June 30, 2022   2,049   $20.57   1.31   $
-